| Setagaya Castle | |
| Nativename-A: | Japanese: 世田谷城 |
| Location: | Setagaya, Tokyo, Japan |
| Type: | Hirajiro-style castle |
| Ownership: | Kira clan, Later Hōjō clan |
| Condition: | ruins |
| Built: | Ōei Period |
| Builder: | Kira clan |
| Demolished: | 1590 |
is the remains of a castle structure in Setagaya, Tokyo, Japan. Its ruins have been protected as a Prefectural Historic Sites.
It is believed that the castle was constructed by the Kira clan in the Ōei Period.[1] Setagaya castle was a mere fortified residence when the castle was built but was expanded and fortified by Kira Naritaka in the Sengoku period.[2]
Later, Setagaya castle became one of the castles under the direct control of the Later Hōjō clan.[2] The castle was demolished soon after the Siege of Odawara in 1590.[3] Setagaya castle park and Gōtoku-ji Temple are on site.[4] [5]