St. Gregory Byzantine Catholic Church is a Catholic church in Upper St. Clair, Allegheny County, Pennsylvania — listed by Foursquare OS Places, Overture Maps Places; last seen September 2026.
Who meets here
No organisation record is linked to this building yet — the building is known from the map sources below.
How we know
- Foursquare OS Places · seen September 2026
- Foursquare OS Places — listed as “St Gregory of Nazianzus” · seen September 2026
- Overture Maps Places — listed as “St. Gregory of Nazianzus” · seen September 2026
2 independent sources agree on this place. About our sources