Harriettsville, Ohio
Harriettsville is an unincorporated community in western [Elk Township, Noble County, Ohio|Noble County, Ohio|Elk Township], Noble County, Ohio, United States. It lies along State Route 145 at its intersection with County Road 46. The East Fork of Duck Creek, a subsidiary of the Ohio River that meets the river near Marietta, runs along State Route 145 past the community. It lies 8 miles northeast of Lower Salem by road, and 13 miles directly southeast of Caldwell, the county seat of Noble County.