| Sagara Castle 相良城 | |
|---|---|
| Makinohara, Shizuoka Prefecture, Japan | |
 Site of Sagara jin'ya | |
  Sagara Castle 相良城  Sagara Castle 相良城 | |
| Coordinates | 34°41′12.5″N 138°11′53.5″E / 34.686806°N 138.198194°E |
| Type | flatland-style Japanese castle |
| Site information | |
| Open to the public | yes |
| Condition | ruins |
| Site history | |
| Built | 1767 |
| Built by | Tanuma Okitsugu |
| In use | Edo period |
| Demolished | 1786 |
Sagara Castle (相良城, Sagara-jō) was a Japanese castle located in what is now the city of Makinohara, central Shizuoka Prefecture, Japan. At the end of the Edo period, Sagara Castle had been degraded to a jin'ya and was home to the Tanuma clan, daimyō of Sagara Domain.