Alba is an unincorporated community located in Antrim County in the U.S. state of Michigan. It is situated on U.S. Highway 131 just south of Mancelona. Half of the community is in Star Township and half is in Chestonia Township.

Alba is at latitude 44° 58' north and longitude 84° 58' west. The ZIP code is 49611 and the FIPS place code is 00900. The elevation is 1179 feet above sea level.