OSM tag name=Rietburg matches Rietburg in these Wikidata fields:
Castles in Rhineland-Palatinate | historic=castle, tourism=attraction, place=locality, building=ruins, historic=ruins, historic=archaeological_site, building=castle, historic=tower_house |
Ruined castles in Germany | historic=castle, tourism=attraction, place=locality, building=ruins, historic=ruins, historic=archaeological_site, building=castle, historic=tower_house |