Fredriksvern
| Fredriksvern | |
|---|---|
| Stavern, Norway | |
| Fredriksvern Verft - naval base in Stavern | |
| Site information | |
| Type | Fortress and naval base | 
| Controlled by | Norway | 
| Site history | |
| Built | 1677, 1750 | 
| In use | 1677-2002 | 
| Materials | Stone | 
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.