Tønsberg is Vestfold´s county town and commercial centre. The world renowned Oseberg ship which was found just north of Tønsberg centre bears proof of this. In the Middle Ages Tønsberg was one of the centres of power.
Tunsberghus, the churches and monasteries and the Earldom of Jarlsberg, have influenced Tønsberg which was, until 1671, Vestfold´s only town. As well as being a commercial and shipping town since the Viking ages, Tønsberg renowned as a Hansa town and also as a whaling town.