Aust-Agder was one 18 counties in Norway up to 1 January 2020, when it was merged with Vest-Agder to form Agder county. In 2002, there were 102,945 inhabitants, which was 2.2% of the total population in Norway. Its area was 9,212 square kilometres. The administrative center of the county was the town of Arendal.
The county, which is located at the Skagerrak coast, extended from Gjernestangen at Risør to the Kvåsefjorden in Lillesand. The inner parts of the area included Setesdalsheiene and Austheiene. The majority of the population live near the coast; about 78% of the county's inhabitants live in the five coastal municipalities of Arendal, Grimstad, Lillesand, Tvedestrand, and Risør. The rest of the county is sparsely populated. Tourism is important, as Arendal and the other coastal towns are popular attractions.
Wikipedia https://en.wikipedia.org/wiki/Aust-Agder
Coordinates 58°27'34.707" N 8°45'59.768" E