Takasaki, Gunma
Minowa Castle
箕輪城
In just over 30 years it passed from the Takeda to the Oda, the Hojo and the Tokugawa, until Ii Naomasa moved the castle to Takasaki and it was abandoned.
Japan's 100 Fine Castles No. 18CastleHilltop
Japan Castle Atlas
内藤昌月
Takasaki, Gunma
箕輪城
In just over 30 years it passed from the Takeda to the Oda, the Hojo and the Tokugawa, until Ii Naomasa moved the castle to Takasaki and it was abandoned.
LordRecord source: wikipedia