Frías Postal Codes: 09211 | Las Merindades, Burgos, Castilla y León

Key Facts

Frías is a municipality located in the northern part of the province of Burgos, within the autonomous community of Castilla y León, Spain. It is situated in the comarca of Las Merindades, a historical and administrative subdivision. The town is famously built on a steep hill overlooking the Ebro River, earning it the nickname 'The Hanging City of Castile.' Frías holds the distinction of being the smallest city in Spain by population, a title granted historically due to its cathedral status. As of recent estimates, it has a population of approximately 250-300 residents and covers an area of about 29 square kilometers. Administratively, it is a single municipality without further subdivisions into smaller civil parishes or wards. The town is renowned for its well-preserved medieval architecture, including a 13th-century castle, a Romanesque bridge, and historic houses that cling to the cliffs. For those seeking detailed local information, accessing postal code data for Frías and its surrounding areas can facilitate navigation and communication within this unique historical settlement.

Neighboring Regions

• Oña
• Partido de la Sierra en Tobalina
• Valle de Tobalina
• Merindad de Cuesta-Urria