OSM tag name=Hohentwiel matches Hohentwiel Castle in these Wikidata fields:
| Castles in Baden-Württemberg | historic=archaeological_site, historic=ruins, historic=castle, building=ruins, building=castle, historic=tower_house, tourism=attraction, place=locality |
| Castles in Konstanz (district) | historic=archaeological_site, historic=ruins, historic=castle, building=ruins, building=castle, historic=tower_house, tourism=attraction, place=locality |