# Mark Masons' Hall, London

> Freemasonry headquarters

**Wikidata**: [Q20713916](https://www.wikidata.org/wiki/Q20713916)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mark_Masons'_Hall,_London)  
**Source**: https://4ort.xyz/entity/mark-masons-hall-london