| Gaujiena |
| Exonyms: Adsel (German). |
| Official website: gaujiena.lv |
| Gaujiena | |
|---|---|
| Adsel | |
| Gaujiena | |
| Built | 13th Century |
| Built by | Teutonic Knights |
| Current condition |
Ruins |
Seat of a Komtur of the Teutonic Knights. A castle was erected in the 13th century, but fell into disrepair in the 18th century.