Castles, Christians
& the Outside World

Edo period

✦ AI-generated illustration — not a photograph of the actual site

Built through brutal taxation and Christian persecution — its construction directly caused the Shimabara Rebellion of 1637

Shimabara Castle is one of the most morally complicated castles in Japan. Lord Matsukura Shigemasa built it over seven years using taxes so crushing that peasants were literally tortured to death for non-payment. He also violently enforced the Shogunate's ban on Christianity in a region where the faith had deep roots. The result was the Shimabara Rebellion of 1637 — 37,000 Christian peasants, ronin, and their families rose up under a 16-year-old boy named Amakusa Shiro and held out for four months before being massacred to the last person. The rebellion so shocked the Shogunate that Japan effectively closed itself to the outside world for the next 200 years. The castle's museum now holds a remarkable collection of Christian artifacts found buried in the ruins.

Edo period

✦ AI-generated illustration — not a photograph of the actual site

Japan's first major Western trading port; home of the English and Dutch East India Companies; where William Adams died

Before Nagasaki, before Dejima — there was Hirado. For most of the 16th and early 17th centuries, this small island port was Japan's window to the world. Portuguese traders arrived in 1550. The Dutch East India Company established its first Japanese factory here in 1609. The English East India Company followed in 1613 — with the help of William Adams, an English sailor who had become a samurai. The Matsura clan, who held this domain for over 700 years, built and rebuilt Hirado Castle on its hill overlooking the bay. The current structure is a 1962 reconstruction, but the original gatehouse and a turret survive, and the views over the Genkai Sea are extraordinary. One of the castle's turrets has been converted into a luxury overnight lodging.

Edo periodUNESCO WH

✦ AI-generated illustration — not a photograph of the actual site

Final stronghold of 37,000 Christian rebels; site of the Shimabara Rebellion's last stand; UNESCO World Heritage Site

Hara Castle today is a grassy promontory jutting into the Ariake Sea — nothing but stone walls and foundations remain. But standing here, knowing what happened, is one of the most powerful experiences in Kyushu. In February 1638, 37,000 people — Christian peasants, ronin, women, and children — had been besieged here by 125,000 Shogunate troops for three months. When their food ran out and the castle fell on April 15, every single person inside was killed. The Shogunate then demolished the castle so completely that it would never be used again. In 2018, the site was inscribed as a UNESCO World Heritage Site as part of the "Hidden Christian Sites in the Nagasaki Region."

Edo period

✦ AI-generated illustration — not a photograph of the actual site

The last feudal castle built in Japan before the Meiji Restoration ended the samurai era; its walls rise directly from the sea

Fukue Castle has the distinction of being the last feudal castle completed in Japan — finished in 1863, just five years before the Meiji Restoration abolished the samurai system. The Shogunate approved its construction due to Goto's strategic position facing the open sea — a defense against Western ships pushing for access to Japan. Its walls rise directly from the ocean, making it one of the few true "sea castles" (umishiro) in Japan. The main keep was demolished in the Meiji era, but the stone walls, moat, and gatehouse survive in excellent condition and form part of the current city hall grounds. Today the island is best known internationally as the setting of the anime Barakamon.