Royal Norwegian Navy bases

Medieval fortress located in Bergen, Norway

Royal Norwegian Navy's main base

fortress in Vardø, Finnmark, Norway

fort in Harstad, Troms, Norway

Olavsvern () is a decommissioned underground submarine base formerly used by the Royal Norwegian Navy located just outside the city of Tromsø. It is located along the European route E8 at the entrance to the Ramfjorden from the Balsfjorden.

thumb| Karljohansvern administration and chief residential buildings thumb|Karljohansvern military facility thumb|Karljohansvern guard house Karjohansvern (Karljohansvern Orlogsstasjon, KJV) at Horten was the main base for the Royal Norwegian Navy from 1850 to 1963.

thumb|300 px|Stavern Church at Fredriksvern Fredriksvern (also called Friderichsværn (1801), Frederiksværn (1865), Fredriksværen (1900) and abbreviated Frsværn) was an important Norwegian naval base, just south of Larvik in Vestfold. It is named after Fredrik V Denmark-Norway. The town of Stavern has in many ways come to be because of this naval base.