A county subdivision is a type of administrative division of a county. It is typically used to refer to a DISTRICT, TOWNSHIP, or borough. A DISTRICT is an administrative unit that is usually smaller than a county and is often part of a larger administrative area. A TOWNSHIP is a local government unit that is usually smaller than a county and is typically responsible for providing services such as roads, schools, and public safety. A borough is a type of local government unit that is usually smaller than a county and is typically responsible for providing services such as water, sewer, and garbage collection.