in Ontario Perth—Wellington, a federal electoral district in Ontario Perth—Wellington (provincial electoral district), a provincial electoral district in Ontario Perth—Wellington—Waterloo, a former federal electoral district in Ontario Perth and Kinross, a unitary council area from 1996 to the present Perth and Kinross (UK Parliament constituency), a Parliament of the United Kingdom constituency from 1983 to 1997 Perth Burghs (UK Parliament constituency), a Parliament of the United Kingdom constituency from 1708 to 1832 Perth Amboy, New Jersey, a city in New Jersey, U.S.