Yokosuka Domain

Yokosuka Domain (横須賀藩, Yokosuka-han^?) was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Tōtōmi Province. It was centered at Yokosuka Castle in what is now the Matsuo district of the city of Kakegawa in Shizuoka Prefecture.

In February 1601, Ōsuga Tadamasa, lord of Kururi Domain in Kazusa Province, was allowed by Tokugawa Ieyasu to return to his ancestral estates in Tōtōmi, and was granted the status of a 55,000 koku daimyō. Ōsuga Tadamasa was the son of the Castellan of Yokosuka Castle and had been relocated by Toyotomi Hideyoshi along with Ieyasu to the Kantō region. During the unsettled period following Hideyoshi’s death, Ōsuga Tadamasa developed a reputation for his upright leadership, and was a strong supporter of Ieyasu. However, his son succeeded to Tatebayashi Domain (110,000 koku) in Kōzuke Province, and Yokosuka Domain reverted to tenryō status in December 1615.

In October 1619, Matsudaira Shigekatsu was transferred from Sekiyado Domain in Shimōsa Province and assigned revenues of 26,000 koku at Yokosuka. His son, Matsudaira Shigetada, former castellan of Sumpu Castle became daimyo in 1621, and had his revenues increased to 40,000 koku before being transferred to Kaminoyama Domain in Dewa Province the following year.

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