OSM tag name:en=Demirköy Foundry matches Demirköy Foundry in these Wikidata fields:
OSM tag name=Demirköy Dökümhanesi matches Demirköy Dökümhanesi in these Wikidata fields:
| Archaeological sites in the Marmara region | historic=archaeological_site |
| Industrial archaeological sites | historic=archaeological_site |
| Tourist attractions in Kırklareli Province | tourism=museum, tourism=attraction |