| Ranking | Prefecture | Castle | % Correct |
|---|---|---|---|
| 1 | Hyogo | Himeji Castle | 88%
|
| 9 | Kumamoto | Kumamoto Castle | 83%
|
| 19 | Osaka | Osaka Castle | 83%
|
| 2 | Nagano | Matsumoto Castle | 75%
|
| 12 | Tokyo | East Gardens of the Imperial Palace | 73%
|
| 3 | Ehime | Matsuyama Castle | 70%
|
| 5 | Kyoto | Nijo Castle | 65%
|
| 18 | Oita | Oka Castle Ruins | 65%
|
| 15 | Kochi | Kochi Castle | 58%
|
| 6 | Shimane | Matsue Castle | 58%
|
| 14 | Okinawa | Shuri Castle | 58%
|
| 17 | Kagawa | Marugame Castle | 43%
|
| 11 | Saga | Nagoya Castle Ruins | 43%
|
| 20 | Ehime | Uwajima Castle | 33%
|
| 16 | Ehime | Ozu Castle | 25%
|
| 4 | Okayama | Bitchu-Matsuyama Castle | 23%
|
| 7 | Okinawa | Katsuren Castle Ruins | 20%
|
| 8 | Okinawa | Nakijin Castle Ruins | 20%
|
| 13 | Gifu | Gujo Hachiman Castle | 18%
|
| 10 | Okinawa | Nakagusuku Castle Ruins | 15%
|