Alfaro, Anguiano, Arnedo, Calahorra, Cervera, Ezcaray, Haro, Logroño, Nájera, Camero Nuevo, Santo Domingo de la Calzada, Camero Viejo

The Comarca de Santo Domingo de la Calzada is located in the west of the region, and is composed of sixteen municipalities. It has an area of 252.67 square kilometers and a population of around 10,000 people.

Municipalities in the comarca include Baños de Rioja, Bañares, Castañares de Rioja, Cirueña, Corporales, Grañon, Herramélluri, Hervías, Leiva, Manzanares de Rioja, Santo Domingo de la Calzada, Santurde de Rioja, Santurdejo, Tormantos, Villalobar de Rioja and Villarta-Quintana.

Baños de Rioja, Bañares, Castañares de Rioja, Cirueña, Corporales, Grañon, Herramélluri, Hervías, Leiva, Manzanares de Rioja, Santo Domingo de la Calzada, Santurde de Rioja, Santurdejo, Tormantos, Villalobar de Rioja, Villarta-Quintana