OSLO BY AREA
Compared to other capitals, Oslo is a very compact city with short distances to most places in the city centre. From Oslo Central Station, via Karl Johan street to the Royal Palace, it's only a 15-minute walk. Each area in Oslo has its distinct character.
The video below is from visitoslo.com, the Official Travel Guide to Oslo. VisitOslo's Travel guide has all the information needed on travel, transport, local area description, accomodation, museums, shopping, etc. See also the separate links to Accomodation and General Information.
There are three tourist information offices in Oslo: one by the Central Station (open 365 days a year), one by City Hall (open all year) and one at the cruise ship terminal.