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Frías Castle
Castillo de los Duques de Frías
Frías, Burgos, Spain
Castle of Frías view from the town, 2007
Type	Castle
Site information
Owner	Ayuntamiento de Frías
Controlled by	Kingdom of Castile (10th-11th century) Crown of Castile (11th-18th century)
Open to the public	Yes
Condition	Partly preserved
Site history
Built	10th century; rebuilt 15th century
Materials	Stone
Garrison information
Past commanders	House of Armengol (until 1201) Alfonso VIII (1201-1205) Dukes of Frías (House of Velasco): Bernardino Fernández de Velasco (1492-1512) Íñigo Fernández de Velasco y López de Mendoza (1512-1528) Pedro Fernández de Velasco (1528-1559) Íñigo Fernández de Velasco y Girón (1559-1585) Juan Fernández de Velasco (1585-1613)

Frías Castle is the castle of the Dukes of Frías, located in Frías (Burgos province), overlooking the Tobalina valley. It was built between the 12th and 15th century.

• 
  Main entrance
• 
  Romanesque windows

• The information in this article is based on that in its Spanish equivalent.
• Castillos de Burgos. Javier Remón Bernard. Ediciones Lancia. Madrid, 1993. ISBN 9788486205447

• https://archive.today/20130213083255/http://www.ciudaddefrias.es/turismo-y-ocio/monumentos/castillo-de-frias