, the region had 820,789 inhabitants, the fifth most populous in the Czech Republic. The population density is higher than the national average, and the region is the fourth most densely populated in the country. The most densely populated areas of the region are the areas on the brown coal basin while areas with a lower population density are the Ore Mountains and the Louny District and Litoměřice District, which predominantly contain smaller country settlements. The largest municipality is Ústí nad Labem, the region's seat, with 92,952 inhabitants.