01 / Uchiike Mansion Site
This mansion site is known as one built by the Ichikawa clan,who ruled the Shikumi district.

The Ichikawa clan came from the Ichikawa district of Kai and, the village records, took the Shikumi district from the Nakano clan in the Kamakura period and ruled it. The Uchiike mansion site is a village historic site, and Setto Castle Site in Tsukioka is said to have been built by the Ichikawa clan as well.
- Village historic site, designated Aug. 6, 2008
- Took the Shikumi district from the Nakano clan in the Kamakura period
- Kept by the Shikumi preservation society