Hedrum is a former municipality in Vestfold county, Norway. The 264-square-kilometre (102 sq mi) municipality existed from 1838 until its dissolution in 1988. The area is now part of Larvik Municipality. The administrative centre was the village of Nanset. Other villages in Hedrum include Gjone, Kvelde, Skinmo, and Verningen.

Lardal is a former municipality in Vestfold county, Norway. The 278-square-kilometre (107 sq mi) municipality existed from 1838 until its dissolution in 2018. The area is now part of Larvik Municipality. The administrative centre was the village of Svarstad. The village of Steinsholt was also part of Lardal.