A territory governed as an administrative or political unit of a country or empire. A division of territory under the jurisdiction of an archbishop. Areas of a country situated away from the capital or population center. A comprehensive area of knowledge, activity, or interest: a topic falling within the province of ancient history. See Synonyms at field. The range of one's proper duties and functions; scope or jurisdiction. Ecology An area of land, less extensive than a region, having a characteristic plant and animal population. Any of various lands outside Italy conquered by the Romans and administered by them as self-contained units.