Grimstad is a municipality in Agder county, Norway. It belongs to the geographical region of Sørlandet. The administrative center of the municipality is the town of Grimstad. Some of the villages in Grimstad include Eide, Espenes, Fevik, Fjære, Håbbestad, Hesnes, Homborsund, Jortveit, Kroken, Landvik, Nygrenda, Prestegårdskogen, Reddal, Roresand, Rønnes, Skiftenes, Tjore, Vik, and Østerhus.