1.
Ako Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Hyogo
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
★
- Visited: Viewer Donated
2.
Ashikagashi Yakata
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Tochigi
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
- Visited: 2007
3.
Edo Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Tokyo
- Historical Site: Special Historic Site
- Historical Value: Top 100
- Historical Value: has Important Cultural Properties
- Rating:
★
★
★
★
- Visited: 2012
4.
Funai Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Oita
- Historical Site: Prefectural Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
- Visited: Viewer Donated
5.
Goryokaku Fort
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Hokkaido
- Historical Site: Special Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
- Visited: 2002
6.
Kawagoe Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Saitama
- Historical Site: Prefectural Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
- Visited: 2012
7.
Matsushiro Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Nagano
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
- Visited: 2008
8.
Ne Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Aomori
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
★
- Visited: 2010
9.
Nijo Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Kyoto
- Historical Value: Top 100
- Historical Value: has National Treasures
- Historical Value: has Important Cultural Properties
- Historical Value: UNESCO World Heritage
- Rating:
★
★
★
★
★
- Visited: 2004
10.
Saga Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Saga
- Historical Site: Prefectural Historic Site
- Historical Value: Top 100
- Historical Value: has Important Cultural Properties
- Rating:
★
★
★
★
- Visited: Viewer Donated
11.
Sunpu Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Shizuoka
- Historical Value: Top 100
- Rating:
★
★
- Visited: 2011
12.
Takamatsu Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Kagawa
- Historical Site: National Historic Site
- Historical Value: Top 100
- Historical Value: has Important Cultural Properties
- Rating:
★
★
★
- Visited: Viewer Donated
13.
Ueda Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Nagano
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
★
- Visited: 2009
14.
Yamagata Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Yamagata
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
- Visited: 2003
15.
Yoshinogari
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Saga
- Historical Site: Special Historic Site
- Historical Value: Top 100
- Rating:
★
★
★
★
- Visited: Viewer Donated
16.
Yuzuki Castle
- Condition: Other Buildings
- Castle Type: Flatland
- Prefecture: Ehime
- Historical Site: National Historic Site
- Historical Value: Top 100
- Rating:
★
★
- Visited: Viewer Donated
16 Castles