hirashiro (flatland castle)
C44801
concept
Hirashiro is a flatland castle constructed on level ground, typically relying on extensive moats, earthen ramparts, and fortified walls rather than natural elevation for its defense.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| hirashiro | 1 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| Nakatsu Castle | — |
| Imabari Castle | hirashiro |