Monastery of Santa María (Cañas)
The Monastery of Santa María (Spanish: Monasterio Cisterciense de Santa María) is a Cistercian nunnery located in Cañas, Spain. Nuns first occupied the site in the 12th century. The complex has been protected by a heritage listing since 1943 (currently Bien de Interés Cultural). References 

Bien de Interés Cultural landmarks in La Rioja (Spain)
Cistercian nunneries in Spain