Sandefjord is a municipality located in the Vestfold county of Norway. It is situated within the traditional district of Vestfold, with the city of Sandefjord serving as the administrative center for the region.
The municipality encompasses several population centers including Andebu, Fevang, Fokserød, Fossnes, Freberg, Hafallen, Helgerød, Himberg, Høyjord, Kodal, Lahelle, Melsomvik, Råstad, Solløkka, Stokke, Storevar, Strand, and Unneberg.