Vestfold og Telemark (Urban East Norwegian: [ˈvɛ̂stfɔɫ ɔ ˈtêːləmɑrk]; lit.

Telemark voted against the merger, on the basis that the regions have nothing in common and do not constitute a natural geographical, cultural, social or political entity.

Bratsberg amt and the later Telemark county consist of several partly overlapping historic districts.

The name Telemark itself did not originally cover the coasts, and the minority at the Storting therefore proposed the name Grenland-Telemark when the modern county was established.

Media in Norway, such as the state broadcaster NRK, mocked the proposal Vest-Viken as a "Nazi name".

[8][7][9] As of 2018, Telemark og Vestfold is already the name of the relevant branches of several government agencies,[5] and both name forms are widely used.

Vestfold og Telemark County has a total of 23 municipalities:[10] The largest urban areas of Vestfold og Telemark, sorted after population (municipalities in parentheses): Brevik, Holmestrand, Horten, Kragerø, Langesund, Larvik, Notodden, Porsgrunn, Rjukan, Sandefjord, Skien, Stathelle, Stavern, Tønsberg and Åsgårdstrand all have town status.