|Alfaro, Anguiano, Arnedo, Calahorra, Cervera, Ezcaray, Haro, Logroño, Nájera, Camero Nuevo, Santo Domingo de la Calzada, Camero Viejo|
The Comarca de Alfaro is located in the far east of the region in Rioja Baja. It has a population of around 16,500 people spread across three municipalities in an area of 253.17 square kilometers. Unlike other parts of La Rioja, the comarca has seen consistent population growth since 1900.
Munipalities in the comarca include Aldeanueva de Ebro, Alfaro and Rincón de Soto.