Harmar Historic District
- Boundary Increase: Roughly bounded by Lancaster, Harmar, Putnam and Franklin Sts and the Ohio R, Fort Harmar Dr and the Muskingum River
- Also Known As: West Marietta
- Vicinity: Roughly bounded by the Ohio and Muskingum Rivers and the rear property line of Lancaster, George, and Franklin Sts
- Neighborhood of Harmar, Marietta in Marietta