外国人の方が渋い選定だけど

Japanese Word-of-Mouth Ranking: Top 20 Castles
https://www.tsunagujapan.com/japanese-word-of-mouth-ranking-top-20-castles/

1. Kumamoto Castle (Kumamoto Prefecture)
2. Matsuyama Castle (Ehime Prefecture)
3. Himeji Castle (Hyogo Prefecture)
4. Hirosaki Castle (Aomori Prefecture)
5. Matsumoto Castle (Nagano Prefecture)
6. Inuyama Castle (Aichi Prefecture)
7. Matsuyama Castle (Okayama Prefecture)
8. Takeda Castle Ruins (Hyogo Prefecture)
9. Takato Castle Ruins Park (Nagano Prefecture)
10. Nijo Castle (Kyoto)
11. Uwajima Castle (Ehime Prefecture)
12. Nakagusuku Castle (Okinawa Prefecture)
13. Marugame Castle (Kagawa Prefecture)
14. Kochi Castle (Kochi Prefecture)
15. Shuri Castle (Okinawa Prefecture)
16. Edo Castle Ruins, East Garden of the Imperial Palace (Tokyo)
17. Katsuren Castle Ruins (Okinawa Prefecture)
18. Wakamatsu Castle (Fukushima Prefecture)
19. Matsue Castle (Shimane Prefecture)
20. Imabari Castle (Ehime Prefecture)