AuSable Charter Township, MI
Au Sable Charter Township is a charter township of Iosco County in the U.S. state of Michigan. As of the 2000 census, the township population was 2,230.
The unincorporated community of Au Sable is within the township.
According to the United States Census Bureau, the township has a total area of 21.1 square miles (55 km2), of which 20.6 square miles (53 km2) is land and 0.5 square miles (1.3 km2) (2.46%) is water. (Source, Wikipedia)