Yuso and Suso monasteries
Type: Monastery
Location: municipality San Millan de la Cogolla »
These are twin monasteries named Yuso and Suso are located in San Millán de la Cogolla. They were declared a World Heritage Site in 1997. Suso is the older of the two monasteries, and one of its claims to fame is as the site where phrases in the Spanish and Basque languages were written for the first time