OSM tag name=Halifax City Hall matches Halifax City Hall in these Wikidata fields:
| Buildings and structures on the National Historic Sites of Canada register | historic, boundary=protected_area |
| City and town halls in Canada | amenity=village_hall, amenity=public_building, amenity=townhall |
| Government buildings completed in 1890 | amenity=public_building, building=civic, office=government, building=public_building, building=public |
| National Historic Sites in Nova Scotia | historic, boundary=protected_area |