Until 2002, the official name of the city was City of Washington, but there also existed a municipality in Guernsey County, Ohio with the name Washington (now known as Old Washington).
直到2002年，城市的官方名称是华盛顿市，但在俄亥俄州根西县还有一个名叫华盛顿（现称为旧华盛顿）的市。