Tveit is a village in Gjerstad Municipality, in Agder, Norway. Tveit lies at 98 m above sea level, 14.6 km from the Scandinavian mountains. The nearest city is Porsgrunn/Skien, 45 km to the northeast. Beaches nearby: Sandtaket (14 km). Among the landmarks around are Søndeled Church (9.7 km), Gjerstad Church (5.9 km) and Risør Church (16.2 km).