Gaujiena

57°31′N 26°23′E / 57.517°N 26.383°E / 57.517; 26.383Country LatviaMunicipalitySmilteneParishGaujienaArea • Total143 sq mi (143 km²)Population • Total501

Gaujiena (German: Adsel) is a village along the Gauja River in Gaujiena Parish, Smiltene Municipality, Latvia. It was the seat of a Komtur of the Teutonic Knights. The Gaujiena Castle was erected in the 13th century, but fell into disrepair in the 18th century.

• 
  Gaujiena Palace
• 
• 
  Gaujiena Castle ruins
• 
  Shop

• Krahe, Friedrich-Wilhelm (2000). Burgen des deutschen Mittelalters. Grundriss-Lexikon (in German). Flechsig. p. 692. ISBN 3-88189-360-1.