[1][2] Nanao Castle is located on the southeastern side of Noto Peninsula facing the Sea of Japan.

However, after his death, the Hatakeyama suffered from internal conflicts with the clan and with increasing restive powerful retainers, and problems with the Ikkō-ikki movement.

[3] It is located along the upper slopes of Shiroyama mountain, a 300 meter height south edge of modern city center of Nanao and consisted of several enclosures, each with stone ramparts and dry moats.

Having accepted Yusa's submission, Kenshin left Noto in his control but encountered and subsequently defeated the Oda relief force led by Shibata Katsuie at the Battle of Tedorigawa in 1577.

Having incurred Nobunaga's displeasure somehow, Yusa was murdered and Maeda Toshiie was appointed Lord of Noto in his stead.