historic boundary
C49309
concept
A historic boundary is a former or long-established dividing line between geographic, political, or cultural areas that has significance due to its past role, even if it no longer functions as an active border.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| historic borderland | 1 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| Norfolk–Suffolk border | — |
| Biobío River frontier zone | historic borderland |