borderland
1. [ noun ] (geography) district consisting of the area on either side of a border or boundary of a country or an area
Synonyms: border_district march marchland
Examples:

"the Welsh marches between England and Wales"

Related terms: territory geographical_area border
Similar spelling:   boarder
  borderer
  bordered
  border_on
  borderline
  Borders
  bordering
  bordereau
  Border_collie