# National Register of Historic Places listings in Mercer County, Ohio

> Wikimedia list article

**Wikidata**: [Q12063099](https://www.wikidata.org/wiki/Q12063099)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/National_Register_of_Historic_Places_listings_in_Mercer_County,_Ohio)  
**Source**: https://4ort.xyz/entity/national-register-of-historic-places-listings-in-mercer-county-ohio