# Category:National Register of Historic Places in Maryland by county

> Wikimedia category

**Wikidata**: [Q8665271](https://www.wikidata.org/wiki/Q8665271)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:National_Register_of_Historic_Places_in_Maryland_by_county)  
**Source**: https://4ort.xyz/entity/category-national-register-of-historic-places-in-maryland-by-county