right|thumb|Ragnhildsholmen right|thumb|Ruins of the castle Miklaborg near Kungahälla thumb|Archaeology professor University of Gothenburg|Tove Hjørungdal at work in Ytterby 2009 at the site interpreted as the remains of the precursor to Kungahälla.
right|thumb|Ragnhildsholmen right|thumb|Ruins of the castle Miklaborg near Kungahälla thumb|Archaeology professor University of Gothenburg|Tove Hjørungdal at work in Ytterby 2009 at the site interpreted as the remains of the precursor to Kungahälla.
Kungahälla (, , ) was a medieval settlement in southern Bohuslän at a site which is located in Kungälv Municipality in Västra Götaland County in Sweden. It is the site of the former fortification at Ragnhildsholmen (Borgen på Ragnhildsholmen).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).