Uddevalla is a city and the seat of Uddevalla Municipality, Västra Götaland County, Sweden with 31,212 inhabitants in 2010. It is located at the bay of the south-eastern part of the sea known as Skagerrak. The beaches of Uddevalla are filled with seashells, and Uddevalla has one of the largest shellbanks in the world. Uddevalla has a small port ...