Kungahälla
57°50′43″N 11°56′23″E / 57.8452°N 11.9397°E
Kungahälla (Swedish: Kungahälla, Norwegian: Konghelle, Old Norse: Konungahella) 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).