WordNet sense 1 (an area outside of cities and towns):

rural area

WordNet sense 2 (the territory occupied by a nation):

state, land

WordNet sense 3 (a politically organized body of people under a single government):

commonwealth, nation, body politic, res publica

WordNet sense 4 (a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)):

area