Here's the answer, straight from Google. Do you not know how to use it?
area ˈɛːrɪə/ noun 1. a region or part of a town, a country, or the world. "rural areas of Britain" synonyms: district, region, zone, sector, quarter; More 2. the extent or measurement of a surface or piece of land. "the area of a triangle" synonyms: expanse, extent, size, scope, compass; More