Azalia, is an unincorporated community in Milan Township, Monroe County in the U.S. state of Michigan. It is located south and east of exit 22 off U.S. Highway 23, about five miles south of the city of Milan and about four miles north of Dundee.Azalia is situated between sections 24 and 25 on the north branch of the Macon Creek at 42�01?08?N 83�39?57?W? / ?42.01889�N 83.66583�W? / 42.01889; -83.66583. The Azalia ZIP code 48110 provides P.O. Box-only service. The Azalia post office is one of very few located within a business. The store has since closed.The community was first known as East Milan, or Reeves Station where a family named Reeves established the Star Bending Company. A post office opened on August 4, 1869, largely through the efforts of Daniel T. Hazen, to avoid having to travel to West Milan to pick up mail. Steven Frink was the first postmaster, followed by Hazen in 1867, Joseph Meadows in 1872, John M. Lewis in 1877, and A.C. Reynolds in 1884.