These are the official prefecture tourism websites, by each prefecture's own tourism association. If they have a language choice page, that will be the link, if not, then the English page will be the link. Please tell us if any of the links are down. We will randomly check the links and update if there are any changes.
Hokkaido
1. Hokkaido - http://en.visit-hokkaido.jp/ (turn down volume, this website may autoplay music)
Tohoku - http://en.tohokukanko.jp/
2. Aomori - http://www.en-aomori.com/
3. Iwate - http://www.japan-iwate.info/
4. Miyagi - http://www.pref.miyagi.jp/kankou/en/
5. Akita - http://www.akitafan.com/en/
6. Yamagata - http://yamagatakanko.com.e.db.hp.transer.com/
7. Fukushima - http://www.tif.ne.jp/lang/en/
Kanto
8. Ibaraki - http://english.ibarakiguide.jp/
9. Tochigi - http://travel.tochigiji.or.jp/
10. Gunma - https://www.visitgunma.jp/en/
11. Saitama - http://www.sainokuni-kanko.jp/eng/
12. Chiba - http://japan-chiba-guide.com/
13. Tokyo - http://www.gotokyo.org/en/
14. Kanagawa - https://trip.pref.kanagawa.jp/
Chubu - http://en.go-centraljapan.jp/
15. Niigata - http://enjoyniigata.com/
16. Toyama - http://foreign.info-toyama.com/en/
17. Ishikawa - http://www.hot-ishikawa.jp/international/index.html
18. Fukui - http://www.fuku-e.com/lang/english/
19. Yamanashi - http://www.yamanashi-kankou.jp/english/
20. Nagano - http://www.go-nagano.net/
21. Gifu - http://travel.kankou-gifu.jp/
22. Shizuoka - http://www.visit-shizuoka.com/en/
23. Aichi - https://www.aichi-now.jp/?language=2
Kansai
24. Mie - http://www.travel.pref.mie.lg.jp/
25. Shiga - http://en.biwako-visitors.jp/
26. Kyoto - http://www.kyoto-kankou.or.jp/english/
27. Osaka - http://www.osaka-info.jp/en/
28. Hyogo - https://www.hyogo-tourism.jp/english/
29. Nara - http://www.pref.nara.jp/25539.htm
30. Wakayama - https://en.visitwakayama.jp/
Chugoku - http://www.chugoku-navi.jp/english/
31. Tottori - http://www.tottori-tour.jp/en/prefecture/
32. Shimane - http://www.kankou-shimane.com/en/
33. Okayama - https://www.okayama-japan.jp/en/
34. Hiroshima - http://visithiroshima.net/
35. Yamaguchi - http://www.pref.yamaguchi.lg.jp/foreign ... index.html
Shikoku - http://www.tourismshikoku.org/
36. Tokushima - http://www.topia.ne.jp/english/tourism/
37. Kagawa - http://www.my-kagawa.jp/brochure
38. Ehime - http://iyokannet.jp/english/index.htm
39. Kochi - http://visitkochijapan.com/
Kyushu - http://www.welcomekyushu.com/
40. Fukuoka - http://www.crossroadfukuoka.jp/en/
41. Saga - http://www.saga-tripgenius.com/
42. Nagasaki - http://visit-nagasaki.com/
43. Kumamoto - https://kumanago.jp/en/
44. Oita - http://en.visit-oita.jp/
45. Miyazaki - http://www.miyazaki-city.tourism.or.jp/en/
46. Kagoshima - https://www.kagoshima-yokanavi.jp/engli ... index.html
47. Okinawa - https://www.visitokinawa.jp/