hinterlands
n. 內陸地區( hinterland的名詞複數 ); 內地; 腹地; (由某一港口或某些其他中心城市供應物資的)內陸貿易區
The hinterland of a stretch of coast or a large river is the area of land behind it or around it.
...the French Mediterranean coast and its hinterland.
法國地中海沿岸及其腹地