Vest-Agder was one of 18 counties in Norway up until 1 January 2020, when it was merged with Aust-Agder to form Agder county. In 2016, there were 182,701 inhabitants, around 3.5% of the total population of Norway. Its area was about 7,277 square kilometres. The county administration was located in its largest city, Kristiansand.