| Koga Domain 古河藩 | |
|---|---|
| under Tokugawa shogunate Japan | |
| 1590–1871 | |
| Capital | Koga Castle |
| • Type | Daimyō |
| Historical era | Edo period |
• Established | 1590 |
• Disestablished | 1871 |
| Today part of | part of Ibaraki Prefecture |
Koga Domain (古河藩, Koga-han) was a feudal domain under the Tokugawa shogunate of Edo period Japan. It is located in Shimōsa Province, Honshū. The domain was centered at Koga Castle,[1] located in what is the city of Koga in Ibaraki Prefecture.
- ^ "Koga Castle" at JapaneseCastleExplorer.com; retrieved 2016-12-2.