Original: Hartselle is the second largest city in Morgan County, Alabama, United States, about 10 miles (16 km) south of Decatur, and is included in the Decatur Metropolitan Area, and the Huntsville-Decatur Combined Statistical Area.
Simplified: Hartselle is the second largest city in Morgan County, Alabama, about 10 miles (16 km) south of Decatur, and is included in the Decatur Metropolitan Area, and the Huntsville-Decatur Combined Statistical Area.