Matsushiro Castle Ruins in Matsushiro-machi, Nagano City, trace their origins to Kaizu Castle built by Takeda Shingen as a forward base during the battles of Kawanakajima (1553–1564), the legendary clashes between the Takeda and Uesugi forces. Later, Sanada Nobuyuki became lord and developed it as the seat of the Matsushiro Domain with 100,000 koku. Designated a National Historic Site, reconstruct…

Matsushiro Castle, originally known as Kaizu Castle, is believed to have been constructed in 1560 (Eiroku 3) by the warlord Takeda Shingen at a strategic location overlooking the Chikuma River in Kawanakajima. According to tradition, the castle's layout was designed by the renowned tactician Yamamot…