Kungälv is a city and the seat of Kungälv Municipality in Västra Götaland County, Sweden. It is also a part of Greater Gothenburg Metropolitan Area. It had 22,768 inhabitants in 2010. In 2021, the main Kungälv - Ytterby - Kareby conurbation had a combined population approaching 30,000.

Kungälv Municipality is a municipality in Västra Götaland County in western Sweden. Its seat is located in the city of Kungälv. It is the 50th largest municipality in Sweden by population size.