hinterlands
n. 内陆地区( hinterland的名词复数 ); 内地; 腹地; (由某一港口或某些其他中心城市供应物资的)内陆贸易区
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.
法国地中海沿岸及其腹地