Gvarv is a village located in the municipality of Midt-Telemark within Telemark county, Norway. It is situated along the river Gvarvelva, positioned approximately 1 kilometre from the point where the river flows into Lake Norsjø.
The village is surrounded by several other nearby settlements, including Akkerhaugen to the east and Bø to the northwest. The village of Ulefoss is located roughly 15 kilometres to the southeast.