borderland
/ˈbɔːdərlænd/Definitions
1. noun
a region near or on the boundary of a country, state, or other defined area, often with a distinctive character or culture.
“The borderland between the two countries has seen a surge in cross-border trade.”
2. noun
a transitional or marginal area, especially in a social or cultural sense.
“The artist’s work often explored the borderland between reality and fantasy.”