# Category:National Register of Historic Places in St. Mary's County, Maryland

> Wikimedia category

**Wikidata**: [Q24075778](https://www.wikidata.org/wiki/Q24075778)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:National_Register_of_Historic_Places_in_St._Mary's_County,_Maryland)  
**Source**: https://4ort.xyz/entity/category-national-register-of-historic-places-in-st-mary-s-county-maryland