Southern NorwaySouthern Norway (Sørlandet; lit. "The Southland") is the geographical region (landsdel) along the Skagerrak coast of southern Norway. The region is an informal description since it does not have any governmental function. It roughly corresponds to the old petty kingdom of Agder as well as the two former counties of Vest-Agder and Aust-Agder. From New Year 2020, the two counties have been merged into one county, Agder. The total combined area of Vest-Agder and Aust-Agder counties is .
SongdalenSongdalen is a former municipality in the old Vest-Agder county, Norway. The municipality existed from 1964 until 2020 when it was merged with Søgne and Kristiansand municipalities to form a new, much larger Kristiansand municipality in what is now Agder county. It was located in the traditional district of Sørlandet, just outside of the city of Kristiansand. The administrative centre of the municipality was the village of Nodeland. Other villages in the municipality included Brennåsen, Finsland, Kilen, Nodelandsheia, and Volleberg.
Mandal (municipality)Mandal () is a former municipality in the old Vest-Agder county, Norway. It was located in the traditional district of Sørlandet. The municipality existed from 1964 until 1 January 2020 when the municipalities of Mandal, Lindesnes, and Marnardal were merged to form a new, larger municipality of Lindesnes in what is now Agder county. Mandal was the southernmost municipality in all of Norway, with the tiny skerry of Pysen being the southernmost point of land in Norway. The administrative centre of the municipality is the town of Mandal.
KristiansandKristiansand is a seaside resort city and municipality in Agder county, Norway. The city is the fifth-largest and the municipality is the sixth-largest in Norway, with a population of around 116,000 as of January 2020, following the incorporation of the municipalities of Søgne and Songdalen into the greater Kristiansand municipality.
MarnardalMarnardal is a former municipality in the old Vest-Agder county, Norway. It existed from 1964 until 2020 when it was merged into Lindesnes Municipality in what is now Agder county. It was located in the traditional district of Sørlandet. The administrative centre of the municipality was the village of Heddeland. Other villages in Marnardal include Bjelland, Breland, Koland, Laudal, and Øyslebø. The Sørlandet Railway Line runs through the municipality stopping at Breland Station and Marnardal Station.