Japan Castle Atlas

Gamō Satoyasu

蒲生郷安

Builder and lord records come from the Japan Castle Foundation list and Japanese Wikipedia.

Connected castles

Yonezawa, Yamagata

米沢城

The grounds of the shrine to Uesugi Kenshin are also the main enclosure of the castle where Date Masamune was born.

Rebuilt / expandedRecord source: wikipedia