Azalia is an unincorporated community in Monroe County in the U.S. state of Michigan. The community is located within Milan Township. As an unincorporated community, Azalia has no legally defined boundaries or population statistics of its own but does have its own post office with the 48110 ZIP Code.

Milan Township is a civil township of Monroe County in the U.S. state of Michigan. The population was 1,571 at the 2020 census. The township was organized in 1836. The city of Milan borders the township on the north, but the two are administrated autonomously since Milan incorporated as a city in 1967.