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is an unincorporated town in Springfield Township, Allen County, Indiana. As of the 2000 Census, Harlan has a population of 1,183. Present day Harlan is the mergance of the towns of Harlan and Maysville. The border between the two towns was Georgetown Road (US 37)with Harlan being on the north side of the road.
Maysville faded from existence when the post office was built in Harlan sometime around the turn of the century.
Harlan is located at . It is located on State Road 37, approximately 15 miles (24 km) northeast of Fort Wayne and 7 miles (11 km) west of the Ohio state line.