Landmark Asia
Osaka Castle
Osaka Castle is a Japanese castle with a tall white and green tower. It stands on high stone walls, with water all around!
Osaka Castle stands in the middle of Osaka, Japan, surrounded by stone walls, moats and a large park. Its history goes back to 1583, when Toyotomi Hideyoshi began building it. The main tower you see today was rebuilt in 1931 with money given by the people of Osaka.
Osaka Castle, begun by Toyotomi Hideyoshi in 1583, was burned and rebuilt several times. Its stone walls, moats and old gate and turret buildings date from the Tokugawa period or later; the area is a national Special Historic Site, and most of the old buildings are Important Cultural Properties. The main tower, the third after the Toyotomi and Tokugawa towers, was rebuilt in 1931 with citizens' donations and has been a museum ever since.
Photo: 663highland, CC BY 2.5, via Wikimedia Commons
Discover Osaka Castle
Osaka Castle is in Osaka, a big city in Japan.
It has a tall tower with curved roofs. Big stone walls and water called moats go all around it.
Osaka Castle sits on a hill in the city of Osaka, in Japan. Its main tower rises above the trees, with tall office buildings all around.
The castle is surrounded by stone walls, moats and a park of 106 hectares, full of cherry, apricot and plum trees. Inside the main tower is a museum about the castle's history.
The Japan National Tourism Organization calls Osaka Castle arguably Osaka's most prominent landmark. It sits on a hill above many modern office buildings, inside 106 hectares of park with cherry, apricot and plum trees and an outer moat.
The castle's own museum explains that the stone walls and moats, and old buildings such as the Ōtemon Gate and the Tamon and Sengan turrets, all date from the Tokugawa period or later. The area is a national Special Historic Site, and most of the old buildings are Important Cultural Properties.
- Where
- Chuo-ku, Osaka, Japan
- Begun
- 1583
- Main tower rebuilt
- 1931
- Park around it
- 106 hectares
Built, burned and rebuilt
A leader named Toyotomi Hideyoshi started building the castle long ago, in 1583.
The castle burned down more than once. People built it again each time.
Toyotomi Hideyoshi began building Osaka Castle in 1583. Since then, the castle has been burned down and rebuilt several times.
After the castle was taken in war, the Tokugawa rulers rebuilt it. Its buildings burned again during the upheaval of the Meiji Restoration, and later the area was used by the army. After World War II it became a park.
According to the Osaka Castle Main Tower museum, the castle's story runs from Hideyoshi's building of it, through its fall in the Osaka campaigns and its rebuilding by the Tokugawa shogunate, to fire in the upheaval of the Meiji Restoration, army control after the Restoration, and its making into a park after World War II.
The Japan National Tourism Organization dates the start of building to 1583 and says the castle was burned down and rebuilt several times. Its main tower is the third: after the Toyotomi tower and the Tokugawa tower came today's tower of 1931.
Stone walls and moats
The castle stands on very high walls made of big stones.
Around the walls are moats: wide ditches full of water.
The castle's walls are made of stone blocks, and moats full of water run around them. Gates and long turrets stand on top of the walls.
These walls, moats, gates and turrets were built in the Tokugawa period or later. Most of the old buildings are now protected as Important Cultural Properties of Japan.
The stone walls (ishigaki) and moats that visitors see today, together with old buildings such as the Ōtemon Gate and the Tamon and Sengan turrets, were all made in the Tokugawa period or later, the museum notes. The whole area is protected as a national Special Historic Site.
The main tower was rebuilt in 1931. In 1997 it was registered as a Tangible Cultural Property of Japan, and in 2025 it was designated a Tangible Cultural Property of Osaka City.
A tower that is a museum
Inside the main tower is a museum with lots of old things.
At the top, visitors can look out over the whole city!
The people of Osaka gave money to rebuild the main tower in 1931. Since then, it has been a museum about the castle, Toyotomi Hideyoshi and the history of the time.
The museum holds more than 10,000 historical objects. Visitors can climb the stairs or take an elevator up to a lookout at the top for a view across the city.
The main tower was rebuilt in 1931 with donations from Osaka's citizens and has served as a museum since then, collecting objects connected with Toyotomi Hideyoshi, his era and the history of Osaka Castle and changing its displays from time to time.
The Japan National Tourism Organization says the museum holds over 10,000 historical artifacts, and that visitors can climb the stairs or take the elevator to an observation deck at the top for a panoramic view of the city.
- Museum since
- 1931
- Objects in the museum
- over 10,000
- Main tower
- the third, after the Toyotomi and Tokugawa towers
A castle among skyscrapers
In this photo, the castle tower stands among tall glass buildings.
In front are big stone walls, green trees and a moat.
This photo was taken on 5 September 2009. The white and green main tower stands among tall office towers. In front are high stone walls with a moat at their foot, and a long building with gray tiled roofs runs along the top of a wall.
The park around the castle is a place where people from Osaka jog, cycle and relax. Visitors can also board sightseeing boats for another view of the castle.
The photograph (5 September 2009, by 663highland) looks across the castle grounds: the main tower in the middle distance among office towers, and in front a corner of the high stone walls above a moat, with tile-roofed buildings along the top of the walls and trees all around.
The Japan National Tourism Organization describes the surrounding park as a place where Osakans jog, cycle and relax, with picnic areas, cherry blossom viewing in spring and gozabune sightseeing boats.
Amazing facts
-
The people of Osaka paid to build the castle's tower again in 1931!
Osaka's citizens gave the money to rebuild the main tower in 1931.
The present main tower was rebuilt in 1931 with donations from the citizens of Osaka.
-
Today's tower is the castle's third main tower!
The tower you see today is the third main tower, after the ones built in Toyotomi and Tokugawa times.
The present main tower is the third, following those of the Toyotomi and Tokugawa periods.
-
You can ride a sightseeing boat to see the castle!
Visitors can board a gozabune sightseeing boat for another view of the castle.
Visitors can see the castle from a gozabune sightseeing boat.
Words to know
- castle
- a large, strong building or group of buildings with thick walls, built long ago for rulers and defense
- moat
- a wide, deep ditch full of water around a castle
- turret
- a small tower or building on top of a castle wall
- museum
- a building where interesting old or valuable things are kept and shown
- shogunate
- the government of Japan led by a shogun, a military ruler
- donation
- money or things given freely to help pay for something
Discovery challenge
-
In which country is Osaka Castle?
Osaka Castle stands in which country?
Osaka Castle, in Chuo-ku, Osaka, is in which country?
- Japan
- China
- Korea
Show the answer
Japan
Japan!
Japan.
Japan.
-
When did people start building the castle?
In which year did Toyotomi Hideyoshi begin building Osaka Castle?
In which year does the Japan National Tourism Organization date the start of Osaka Castle?
- 1583
- 1931
- 1997
Show the answer
1583
In 1583!
1583.
1583.
-
When was the tower you see today built?
In which year was today's main tower rebuilt?
In which year was the third main tower rebuilt with citizens' donations?
- 1931
- 1583
- 2025
Show the answer
1931
In 1931!
1931.
1931.
-
What is inside the main tower today?
What has the main tower been since 1931?
What has the main tower housed since its rebuilding in 1931?
- A museum
- A swimming pool
- A train station
Show the answer
A museum
A museum!
A museum.
A museum, with over 10,000 historical artifacts.
-
What is the water around a castle called?
What is the water-filled ditch around Osaka Castle's walls called?
Osaka Castle's stone walls rise from what water-filled defensive ditches?
- A moat
- A lake
- A fountain
Show the answer
A moat
A moat!
A moat.
Moats.
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For parents & teachers
What children will learn
- Explain why castles were built with stone walls and moats.
- Describe how a building can be burned and rebuilt and still keep its history.
- Explain why people protect old buildings as cultural properties.
Recommended ages: 4 to 17 · About 15 minutes
Talk about it
- The people of Osaka paid to rebuild the tower in 1931. Why might a city want its castle back?
- Is a rebuilt tower still a real part of history? Why or why not?
- Osaka Castle is now a museum in a park. How do old places get new uses?
Try at home or in class
- Build a castle from blocks on a mound of sand, then dig a moat around it and fill it with water.
- Find Osaka on a map of Japan, then find Himeji and Kyoto nearby.
Key vocabulary: castle, moat, turret, museum, shogunate, donation
Where these facts come from
- Wikidata , Wikimedia Foundation (CC0 1.0)
- Osaka Castle Main Tower (大阪城天守閣) official site , Osaka Castle Main Tower
- Osaka Castle , Japan National Tourism Organization
- File:Osaka Castle 02bs3200.jpg , Wikimedia Commons
- 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.