In the list of Unification of Norway (860872), Vestfold (current electoral district in Eastern Norway) gained four victories while Viking gained three victories.
Vestfold [vstf (listen) is a traditional region, a former county and a current electoral district in Eastern Norway. Vestfold is mentioned for the first time in a written source in 813, when Danish kings were in Vestfold to quell an uprising amongst the Fursts. 
