OSM tag name=Ludwigsruhe matches Ludwigsruhe in these Wikidata fields:
| Castles in Schwäbisch Hall (district) | historic=tower_house, place=locality, tourism=attraction, historic=archaeological_site, building=ruins, historic=castle, historic=ruins, building=castle |
| Towns in Baden-Württemberg | place=suburb, place=town, place=village |