Åmli is a municipality in the county of Aust-Agder, Norway. It is located in the traditional region of Sørlandet. The main population centre and administrative center is the village of Åmli which lies along the river Nidelva. Other villages in Åmli include among others Gjøvdal, Tovdal, Skjeggedal, Dølemo, Vehus, Øy, Selåsvatn, Nelaug, Simonstad, Tveit.
The 1131-square-kilometre (437 sq mi) municipality is the 89th largest by area out of the 422 municipalities in Norway. Åmli is the 335th most populous municipality in Norway with a population of 1856. The municipality's population density is 1.1 inhabitants per square kilometre (2.8/sq mi) and its population has increased by 2.3% over the last decade
The information above is copyed from Wikipedia.
Read more about Åmli on Wikipedia
Norway has three levels of government. The central government and Parliament at national level, the county authorities (fylkeskommune) at regional level, and the municipalities at local level.
The municipalities are responsible for day care facilities, child welfare, primary and secondary schools, public libraries, primary health care, care for the elderly and disabled, fire departments, harbours, municipal roads, water supply, sewerage, garbage collection and disposal, organisation of land use within the municipality e.g. the laying out of land for industrial or commercial use, or housing.
The 19 counties of Norway represent the regional level. They are among other services, responsible for dental services and high schools (16-18).
You can read more about Aust Agder County municipality on their website