Most of the Norwegian counties and municipalities have their own flag. They are based on the respective coat of arms of the subdivision. However they are seldom used. Most public buildings and private homes use the National flag.
Flags of Norwegian counties
Flags of former Norwegian counties
Flags of Norwegian municipalities
This is just a number of municipalities with their own flags, there are however many more municipalities that do use a flag.
Agder Flags of municipalities in Agder county.
Akershus Flags of municipalities in Akershus county.
Buskerud Flags of municipalities in Buskerud county.
Finnmark Flags of municipalities in Finnmark county.
Innlandet Flags of municipalities in Innlandet county.
Møre og Romsdal Flags of municipalities in Møre og Romsdal county.
Nordland Flags of municipalities in Nordland county.
Oslo
Rogaland Flags of municipalities in Rogaland county.
Telemark Flags of municipalities in Telemark county.
Troms Flags of municipalities in Troms county.
Trøndelag Flags of municipalities in Trøndelag county.
Vestfold Flags of municipalities in Vestfold county.
Vestland Flags of municipalities in Vestland county.
Østfold Flags of municipalities in Østfold county.