Eastern Norway most people are working in service-oriented companies. The coastal area is varied, from the metropolitan Oslo to the more quiet and idyllic old maritime city of Drøbak, and the oldest city in Norway, Tønsberg There is also some museum railway lines, for example the Krøder Line, where one can ride heritage steam and diesel trains on old twisty railway tracks. Oslo, the capital of Norway, has attracted people from all over Norway. Most of the immigrants settle here as well. There are numerous mosques, Hindu shrines, Sikh temples, Buddhist temples, as well as many churches, giving Oslo a cosmopolitan feel.
Northern Norway stake a more firm claim for the kingdom of Norway along what was then the frontier of Norwegian settlement. By 1150, Lenvik Church was the northernmost church in Norway. In 1252 the first church, the Ecclesia Sanctae Mariae de Trums juxta paganos ("The Church of Saint Mary in Troms near the Heathens"), was built in Tromsø, along with a small rampart intended to serve as protection against Karelian raids. This was followed in 1307 by the consecration of Vardø Church in what is now eastern Finnmark. Finally, Vardøhus Fortress was constructed to mark and defend the border with the Karelian