Gallion, originally known as Macon Station, was a plantation owned by Henry Augustine Tayloe on the Demopolis to Uniontown Rail Line in Hale County, Alabama. It is now known as Gallion to honor Jo Gallion, a railroad official, and is an unincorporated community in the aforementioned county. Gallion has a post office with a ZIP code of 36742. Gallion has one site on the National Register of Historic Places, a plantation house known as Waldwic.
In 1867, an African-American community named Freetown was established near Gallion.
Gallion is located at 32.49681, -87.71612 and has an elevation of .
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Gallion has a humid subtropical climate, abbreviated "Cfa" on climate maps.