Grimstad is a municipality located in the Agder county of Norway. It is situated within the geographical region known as Sørlandet, and the town of Grimstad serves as the administrative center for the municipality.
The municipality encompasses several villages, including Eide, Espenes, Fevik, Fjære, Håbbestad, Hesnes, Homborsund, Jortveit, Kroken, Landvik, Nygrenda, Prestegårdskogen, Reddal, Roresand, Rønnes, Skiftenes, Tjore, Vik, and Østerhus.