Akayama-jo (Kawaguchi city, Saitama)|Only Modest Remains of Earthen Ramparts and Moats
Iwatsuki-jo (Saitama city, Saitama)|Shoji-bori — A Defensive Feature of the Hojo Clan Still Visible Today
Ushiku-jo (Ushiku city, Ibaraki)|A castle ruin without explanatory signs for its defensive structures—making it quite challenging for beginners to understand
Mangi-jo (Isumi city, Chiba)|A Castle Ruin with a Reconstructed Keep, Yet Still Full of Mysteries…
Ōtaki-jo (Isumi district, Chiba)| the 100,000-koku stronghold of Honda Tadakatsu, one of the Tokugawa Four Heavenly Kings
Kōnodai-jo (Ichikawa city, Chiba)|An ordinary park in full bloom with flowers. But step a little further inside, and you’ll find yourself in the Sengoku period! ⚔️
Hachioji-jo (Hachioji city, Tokyo)|A Steep Mountain Fortress That Fell in Just One Day to the Toyotomi Army…
Takiyama-jo (Hachioji city, Tokyo)|A formidable castle renovated by the military genius Hōjō Ujiteru


























