Synonyms and related words :
airspace, area, belt, confines, continental shelf, corridor, country, department, district, division, environs, ground, heartland, hinterland, land, milieu, neighborhood, offshore rights, part, parts, place, precincts, purlieus, quarter, region, salient, section, soil, space, terrain, territory, three-mile limit, twelve-mile limit, vicinage, vicinity, zone