Norway is commonly divided into five major geographical regions (landsdeler). These regions are purely geographical, and have no administrative purpose. According to most definitions, the Counties of Norway are divided into the following regions:

• Northern Norway (Nord-Norge/Nord-Noreg)
  • Finnmark
  • Troms
  • Nordland
• Trøndelag (alt. Midt-Norge/Midt-Noreg)
  • Nord-Trøndelag
  • Sør-Trøndelag
• Western Norway (Vestlandet)
  • Møre og Romsdal
  • Sogn og Fjordane
  • Hordaland
  • Rogaland
• Southern Norway (Sørlandet or Agder)
  • Vest-Agder
  • Aust-Agder
• Eastern Norway (Østlandet/Austlandet)
  • Telemark
  • Buskerud
  • Hedmark
  • Oppland
  • Akershus
  • Oslo
  • Vestfold
  • Østfold