Oslo has a population of 629313 making it is one of the smallest cities in Norway.
It operates on the Europe/Oslo time zone.
Oslo ( OZ-loh, also US: OSS-loh, Norwegian: [ˈʊ̂ʂlʊ] (listen), rarely [ˈʊ̂slʊ, ˈʊ̀ʂlʊ]) is the capital and most populous city of Norway. It constitutes both a county and a municipality. As of 23 November 2020, the municipality of Oslo had a population of 697,549, while the population of the city's urban area was 1,019,513, as of 4 November 2019. The metropolitan area had an estimated population of 1.71 million.During the Viking Age the area was part of Viken. Oslo was founded as a city at the end of the Viking Age in the year 1040 under the name Ánslo, and established as a kaupstad or trading place in 1048 by Harald Hardrada. The city was elevated to a bishopric in 1070 and a capital under ..