Norway (/ˈnɔrweɪ/; Norwegian: Norge (Bokmål) or Noreg (Nynorsk)), officially the Kingdom of Norway (Kongeriket Norge in Bokmål and Kongeriket Noreg in Nynorsk), is a Scandinavian unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, the Arctic archipelago of Svalbard, and the sub-Antarctic Bouvet Island. Norway has a total area of 385,252 square kilometres (148,747 sq mi) and a population of 5,109,059 people. (01.01. 2014) It is the 2nd least densely populated country in Europe. The country shares a long eastern border with Sweden (1,619 km or 1,006 mi long), which is the longest uninterrupted border within both Scandinavia and Europe at large. Norway is bordered by Finland and Russia to the north-east, and the Skagerrak Strait to the south, with Denmark on the other side. Norway's extensive coastline, facing the North Atlantic Ocean and the Barents Sea, is laced with fjords, a renowned part of its landscape. The capital city Oslo is the largest in the nation, with a population of 630,000. Norway has extensive reserves of petroleum, natural gas, minerals, lumber, seafood, fresh water, and hydropower.