• Shimabara Castle is a historical castle located in Shimabara City, Nagasaki Prefecture, featuring a magnificent five-story keep dating from the early Edo period.• The castle tower functions as a museum exhibiting Christian historical materials, local history materials, and folklore materials.• From the observation deck on the top floor, you can enjoy a spectacular 360-degree view of the Ariake Sea and the surrounding mountains, and the nighttime illumination is also a major attraction.• If you book Shimabara Castle through KKday, you can also earn KKday points that you can use on your next trip. ★There are also plenty of other things to enjoy at Shimabara Castle!★・Shimabara Castle Night Tour: You can enter the Shimabara Castle keep at night, which is normally off-limits. Tickets are available here. • Megurin Ticket: Enjoy sightseeing in Shimabara at a discounted price. Tickets are available here. - A stylish lady comes along: Experience a time slip in retro-modern hakama attire. Book here.