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Houses on green hills above a road in Luba, on Bioko island, Equatorial Guinea

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Equatorial Guinea

Equatorial Guinea is a small country in Africa, near the equator. Part of it is on the mainland and part is on islands. Gorillas and chimpanzees live in its rainforest.

Equatorial Guinea has two parts: Río Muni, a piece of the African mainland covered in rainforest, and five islands, the biggest of which is Bioko, an island of old volcanoes. It was a colony of Spain, so Spanish is an official language and the main language people share. The national statistics office estimated 1,668,768 people in 2024; the last census, in 2015, counted 1,225,377.

Equatorial Guinea, formerly Spanish Guinea, became independent on October 12, 1968. It comprises mainland Río Muni and the islands of Bioko, Corisco, Great and Little Elobey and distant Annobón. A January 2, 2026, decree named Ciudad de la Paz, on the mainland, the new capital in place of Malabo on Bioko. The 2015 census counted 1,225,377 people, and the national statistics office estimated 1,668,768 in 2024.

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Photo: Denis Barthel, CC BY-SA 3.0, via Wikimedia Commons

Discover Equatorial Guinea

Equatorial Guinea is a country in Africa.

Part of it is on the mainland. Part of it is on islands in the sea. People speak Spanish there.

Equatorial Guinea is on the west coast of Africa, close to the equator. Its mainland part, Río Muni, sits between Cameroon and Gabon. Out in the sea are its five islands: Bioko, Corisco, Great Elobey, Little Elobey and faraway Annobón.

Spanish is the main shared language, because Spain ruled here until 1968; French and Portuguese are official too. In 2026 the government named a new capital, Ciudad de la Paz, on the mainland. The old capital, Malabo, is on Bioko.

Britannica describes Equatorial Guinea as Río Muni (Continental Equatorial Guinea) plus five islands; Bioko lies off Cameroon in the Bight of Biafra, and Annobón, a volcanic island south of the equator, is about 650 km southwest of Bioko. A presidential decree of January 2, 2026, declared Ciudad de la Paz the capital, giving state bodies one year to move there from Malabo.

The statistics office INEGE reports that the IV General Census of 2015 counted 1,225,377 people, with Bata the largest city; it estimated 1,668,768 people in 2024. Spanish, French (official since 1997) and Portuguese are official; Spanish is the language of schools and the press. Offshore oil and gas, exploited since the 1980s, now provide more than four-fifths of GDP, though most people still farm.

Houses on green hills above a road in Luba, on Bioko island, Equatorial Guinea
Photo: Denis Barthel, CC BY-SA 3.0, via Wikimedia Commons

Bata, Malabo and Bioko

Bata is the biggest city.

It is on the mainland coast. Malabo is a city on the island of Bioko. Green hills and old volcanoes cover Bioko.

Bata, on the mainland coast, is the largest city. Malabo, on the north coast of Bioko, has a good harbor built inside the edge of an old, partly sunken volcano. The new capital, Ciudad de la Paz, is being built inland on the mainland.

Bioko is about 72 kilometers long. Its towns include Luba, shown in the hero photo with houses on green hills. The far south of the island, around San Antonio de Ureca, is remote and very wild.

Bata is the main city of Río Muni. Malabo's relatively good harbor occupies the partially sunken rim of a volcano on Bioko's north coast; elsewhere Bioko's coast is mostly a cliff about 20 m high, and the steep southern coast, with San Antonio de Ureca among the most isolated settlements, is dangerous to shipping. Rivers such as the Musola supply hydroelectric power.

Bioko, about 72 km by 35 km, contrasts with the mainland in its volcanic cones, crater lakes and rich lava soils. Monte Alén National Park, on the mainland, protects thick rainforest with gorillas, chimpanzees and hundreds of bird species. The hero photo shows houses on green hills above a road in Luba, on Bioko.

Bata, February 2015
Photo: Ben Sutherland from Crystal Palace, London, UK, CC BY 2.0, via Wikimedia Commons

Rainforest and volcano islands

Thick rainforest covers much of the mainland.

Bioko island has tall old volcanoes. It is hot and rainy for most of the year. Clouds often cover the sky.

On the mainland, a sandy coast and a narrow plain rise to hills and high plains toward Gabon. Dense rainforest, with more than 140 kinds of timber trees, covers much of the land, and mangroves line the coast and rivers.

Bioko is made of old volcanoes. Its highest peak, Pico Basilé, is an extinct volcano about 3,000 meters high. The climate everywhere is hot, wet and cloudy. The south of Bioko is one of the rainiest places on Earth: around San Antonio de Ureca, about 11,400 millimeters of rain fall in a year.

Río Muni's coastal plain, about 20 km wide, gives way to hills and mesetas rising toward Gabon; its ranges are segments of Gabon's Cristal Mountains, and the Mbini (Woleu) River crosses the center. Old metamorphic rocks have weathered into relatively infertile soils. Rainforest with more than 140 timber species, notably okoume, African walnut and mahoganies, has long been logged and largely replaced by secondary growth.

Bioko rises in the north to Pico Basilé (Santa Isabel Peak), an extinct volcano Britannica gives as 3,008 m; Moca Heights in the center and the Gran Caldera range in the south have crater lakes. The climate is equatorial: Bata averages about 2,400 mm of rain a year and Bioko about 25 °C, with a November–March dry season, while monsoon rains bring about 11,400 mm a year around San Antonio de Ureca. Annobón, a small cluster of volcanic cones, rises to about 670 m.

Houses on green hills above a road in Luba, on Bioko island, Equatorial Guinea
Photo: Denis Barthel, CC BY-SA 3.0, via Wikimedia Commons

Gorillas, mandrills and giant frogs

Gorillas and chimpanzees live in the rainforest.

Mandrills have bright blue and red faces. Forest elephants walk under the trees. Huge Goliath frogs live in the rivers.

The mainland's rainforest is home to gorillas, chimpanzees, many kinds of monkeys, leopards, forest buffalo, antelopes, elephants, hippos, crocodiles and pythons. The Goliath frog, the biggest frog in the world, and the colorful mandrill live here too.

Bioko has no big animals like elephants, but it has several kinds of monkeys, small antelopes and rodents. Sea turtles swim in the coastal waters. Monte Alén National Park helps protect gorillas, chimpanzees and hundreds of kinds of birds.

Britannica lists gorillas, chimpanzees, monkeys, leopards, buffalo, antelope, elephants, hippopotamuses, crocodiles and pythons for the mainland, plus abundant insects including tsetse flies and Anopheles mosquitoes; Bioko has no big game but has monkeys, dwarf antelopes and rodents. The country also lies inside the IUCN-mapped native ranges of the western gorilla, mandrill, African forest elephant, grey parrot, Goliath frog and green and hawksbill sea turtles.

Monte Alén National Park protects rainforest with gorillas, chimpanzees and hundreds of bird species. The mandrill and Goliath frog photos show the species, not Equatorial Guinea itself; the gorilla photo was taken at a primate park in the Netherlands.

Photo of Mandrill
Photo: LaggedOnUser, CC BY-SA 2.0, via Wikimedia Commons

Fang, Bubi and many peoples

Many groups of people live in Equatorial Guinea.

The biggest group is the Fang. The Bubi people have lived on Bioko for a long time. Cooks use fish, peanuts and pumpkin seeds.

The Fang are the largest group, more than half of all people, and live mostly on the mainland. The Bubi are the first people of Bioko. Coastal groups such as the Kombe and Benga, Fernandinos on Bioko and the people of Annobón add to the mix. Each group has its own language, such as Fang or Bubi, and Spanish links them all.

Cooks use fish, shrimp, crayfish, pumpkin seeds, peanuts and vegetables, and a popular way to cook fish is to wrap it in banana or plantain leaves over a fire. Fang music uses harps, xylophones, big drums and wooden trumpets.

The Fang, well over half the population, dominate Río Muni (Ntumu Fang north of the Mbini, Okak Fang south). Coastal peoples such as the Kombe, Mabea, Lengi and Benga have had long contact with Europeans. The Bubi, Bantu-speaking original inhabitants of Bioko, are matrilineal; Fernandinos descend from Africans freed by the British in the 19th century; and Annobonese descend from enslaved Africans brought by the Portuguese.

Each group speaks its own language; an English-based creole is the lingua franca of Bioko's markets, and a Portuguese patois is spoken on Bioko and Annobón. Roman Catholicism and Spanish culture sit alongside revived customs. Spanish-language writers such as Donato Ndongo-Bidyogo, Juan-Tomás Ávila Laurel and María Nsue Angüe are internationally known. At the 2000 Sydney Olympics, swimmer Eric Moussambani, who had learned to swim that year, was cheered for winning his 100 m freestyle heat.

Bata, February 2015
Photo: Ben Sutherland from Crystal Palace, London, UK, CC BY 2.0, via Wikimedia Commons

From Fernando Po to independence

Long ago, sailors from Portugal found the islands.

Later Spain ruled the land. In 1968 Equatorial Guinea became independent.

Portuguese sailors sighted Bioko around 1472, and Annobón got its name, meaning good year, because it was sighted on a New Year's Day. In 1778 Portugal handed the islands and part of the mainland coast to Spain. The colony was called Spanish Guinea.

Spain gave the region more self-rule in the 1960s, and on October 12, 1968, Equatorial Guinea became independent. Its first president ruled harshly, and since 1979 Teodoro Obiang Nguema Mbasogo has led the country. Oil and gas found under the sea in the 1980s changed the economy.

Fernão do Pó probably sighted Bioko (long called Fernando Po) in 1472; Annobón was probably sighted on New Year's Day 1474. Portugal ceded the islands and mainland trading rights to Spain in 1778; Spain occupied Fernando Po effectively from 1844 and explored the mainland in the following decades, and after 1898 Spanish Guinea was Spain's last significant tropical colony. In 1959 it became two provinces of overseas Spain, gained autonomy in 1963 and, after a constitutional referendum, independence on October 12, 1968.

The first president, Francisco Macías Nguema, assumed absolute powers; arrests and executions in 1975–77 drew international protest, and many people fled. He was overthrown in 1979 by his nephew, Teodoro Obiang Nguema Mbasogo. A 1991 constitution allowed multiple parties, but Britannica notes much international criticism of the government. In 2015 the country hosted the Africa Cup of Nations at short notice, and in 2026 it declared Ciudad de la Paz its capital.

Houses on green hills above a road in Luba, on Bioko island, Equatorial Guinea
Photo: Denis Barthel, CC BY-SA 3.0, via Wikimedia Commons

Through the years

Equatorial Guinea on the map

Find Equatorial Guinea on the globe.

Look at the west side of Africa, where the coast bends. Find a small square of land and some islands. That is Equatorial Guinea.

Equatorial Guinea is in Central Africa, right by the equator. Río Muni, the mainland part, is a rough rectangle with Cameroon to the north and Gabon to the east and south. Bioko island lies off the coast of Cameroon.

Annobón is far away to the southwest, past the island country of São Tomé and Príncipe and south of the equator.

Río Muni is bounded by Cameroon to the north and Gabon to the east and south; Britannica notes that the de facto eastern border follows the Kié River rather than the legal frontier at 11° 20′ E. The Campo (Ntem) River marks part of the border with Cameroon, and the Muni estuary lies to the southwest.

Bioko sits in the Bight of Biafra; Annobón is about 150 km southwest of São Tomé. Wikidata gives a total area of 28,051 km².

Parts
Río Muni on the mainland and 5 islands
Highest point
Pico Basilé, about 3,008 m
Annobón to Bioko
about 650 km
People (2024 estimate)
1,668,768

Amazing facts

  • In Equatorial Guinea, children learn Spanish at school.

    Because Spain ruled it until 1968, Spanish is an official language of Equatorial Guinea and the language of its schools and newspapers.

    Spanish, inherited from colonial Spanish Guinea, is taught in schools and used by the press, and is the common language of Bioko and the mainland.

  • One island got its name from New Year's Day.

    Annobón means good year: Portuguese sailors probably first saw it on a New Year's Day.

    Annobón was probably sighted by Ruy de Sequeira on New Year's Day, most likely in 1474, hence its name, 'good year'.

  • The south of Bioko is one of the rainiest places on Earth.

    Around San Antonio de Ureca in southern Bioko, about 11,400 millimeters of rain fall each year.

    Monsoon winds bring about 450 inches (11,400 mm) of rain a year around San Antonio de Ureca.

  • Malabo's harbor is inside the edge of an old volcano.

    Malabo's harbor was built on the edge of an old volcano that has partly sunk into the sea.

    Malabo's relatively good harbor is built on the partially sunken rim of a volcano.

Words to know

equator
the imaginary line around the middle of Earth, halfway between the North and South Poles
extinct volcano
a volcano that is not expected to erupt again
mainland
the main part of a country or continent, not its islands
matrilineal
tracing family and inheritance through the mother's side
lingua franca
a shared language that people with different first languages use to talk to each other
colony
a place ruled by another country, often far away

Discovery challenge

  1. Which language do people in Equatorial Guinea share?

    Which language, from colonial times, is the main shared language of Equatorial Guinea?

    Which official language is the common means of communication for Bioko and the mainland?

    • Spanish
    • English
    • Arabic
    Show the answer

    Spanish

    People share Spanish.

    Spanish, because Spain ruled until 1968. French and Portuguese are official too.

    Spanish is taught in schools and used by the press.

  2. What is the biggest island of Equatorial Guinea?

    Which island, made of old volcanoes, is by far the largest?

    Which island, once called Fernando Po, holds Malabo and Pico Basilé?

    • Bioko
    • Madagascar
    • Zanzibar
    Show the answer

    Bioko

    Bioko is the biggest island.

    Bioko is about 72 kilometers long, with extinct volcanoes and crater lakes.

    Bioko, formerly Fernando Po.

  3. Which country ruled Equatorial Guinea before 1968?

    Equatorial Guinea was once the colony of Spanish Guinea. Which country ruled it?

    From which country did Equatorial Guinea become independent on October 12, 1968?

    • France
    • Spain
    • Britain
    Show the answer

    Spain

    Spain ruled it.

    Spain ruled it as Spanish Guinea.

    Spain; after 1898 it was Spain's last significant tropical colony.

  4. Which big ape lives in Equatorial Guinea's rainforest?

    Which great ape lives in Monte Alén National Park?

    Which great ape does Britannica list for Monte Alén National Park, alongside chimpanzees?

    • Orangutan
    • Gorilla
    • Gibbon
    Show the answer

    Gorilla

    Gorillas live there.

    Gorillas and chimpanzees live in Monte Alén. Orangutans live in Asia.

    Gorillas, with chimpanzees and hundreds of bird species.

Animals of Equatorial Guinea

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For parents & teachers

What children will learn

  • Locate Equatorial Guinea and name its mainland region and main islands.
  • Describe how volcanic Bioko differs from the rainforest of Río Muni.
  • Explain why Spanish is spoken here and name some of the country's peoples and languages.
  • Outline the path from Spanish Guinea to independence in 1968 and the 2026 change of capital.

Recommended ages: 3 to 17 · About 15 minutes

Talk about it

  • What might be hard about running a country whose parts are separated by sea?
  • Why might a country decide to build a new capital city?
  • How do you think people in the rainiest places on Earth plan their days?

Try at home or in class

  • Mark 11,400 millimeters on a long strip of paper taped up a stairwell or wall (11.4 meters) to see how much rain falls in a year in southern Bioko.
  • Wrap a slice of banana or a vegetable in a clean leaf of lettuce or baking paper and steam it, like fish cooked in plantain leaves, with an adult's help.

Key vocabulary: equator, extinct volcano, mainland, matrilineal, lingua franca, colony

Where these facts come from

  1. Wikidata , Wikimedia Foundation (CC0 1.0)
  2. Natural Earth vector data , Natural Earth (NACIS) (Public domain)
  3. Equatorial Guinea (land, relief, drainage, islands, capital decree) , Encyclopaedia Britannica
  4. Equatorial Guinea: Climate , Encyclopaedia Britannica
  5. Equatorial Guinea: Plant and animal life , Encyclopaedia Britannica
  6. Equatorial Guinea: People (ethnic groups, languages) , Encyclopaedia Britannica
  7. Equatorial Guinea: Cultural life (cuisine, arts, sports, early history) , Encyclopaedia Britannica
  8. Equatorial Guinea: Spanish Guinea , Encyclopaedia Britannica
  9. Equatorial Guinea: Economy , Encyclopaedia Britannica
  10. Equatorial Guinea: Independence , Encyclopaedia Britannica
  11. Annuaire Statistique de la Guinée Équatoriale 2025 (population, IV Recensement 2015) , Instituto Nacional de Estadística de Guinea Ecuatorial (INEGE)
  12. PlayOwl region table, version 1 , PlayOwl (PlayOwl original data)
  13. flag-icons 7.5.0 , Panayiotis Lipiridis and contributors (MIT)
  14. Wikimedia Commons , Wikimedia Foundation (Per file (public domain, CC0, CC BY or CC BY-SA); see each media record)

Checked, not yet human-reviewed. Last updated November 1, 2026. Spotted a mistake? Tell us.

Picture credits
  • Photo: Denis Barthel, CC BY-SA 3.0, via Wikimedia Commons · source · license
  • Photo: Ben Sutherland from Crystal Palace, London, UK, CC BY 2.0, via Wikimedia Commons · source · license
  • Photo: LaggedOnUser, CC BY-SA 2.0, via Wikimedia Commons · source · license
  • Photo: Tuxyso / Wikimedia Commons / CC-BY-SA-4.0, CC BY-SA 4.0, via Wikimedia Commons · source · license
  • Photo: jeanlouisamiet, CC BY 4.0, via Wikimedia Commons · source · license