Sierra de la Demanda is a comarca located south-east of the province of Burgos in the autonomous community of Castile and León, Spain. It is bounded on the north-east by the Montes de Oca comarca, north-west by the Alfoz de Burgos, south-east by the province of Soria, south-west by the Ribera del Duero comarca, on the east by the province of La Rioja and west by the Arlanza comarca. It is named after the mountain sub-range of Sierra de la Demanda, the northwesternmost end of the Sistema Ibérico.

The comarca capital and biggest town is Salas de los Infantes.

There are 39 municipalities. In parentheses is the number of minor local entities within each municipality.

Arauzo de Miel Arauzo de Salce Arauzo de Torre Barbadillo de Herreros Barbadillo del Mercado Barbadillo del Pez Cabezón de la Sierra Canicosa de la Sierra Carazo Cascajares de la Sierra

Castrillo de la Reina Contreras Covarrubias Hacinas Hontoria del Pinar (2) Hortigüela Huerta de Arriba Huerta de Rey (3) Jurisdicción de Lara (3) Jaramillo de la Fuente

La Gallega La Revilla y Ahedo Mamolar Monasterio de la Sierra Moncalvillo Monterrubio de la Demanda Neila Palacios de la Sierra Pinilla de los Barruecos Pinilla de los Moros

Quintanar de la Sierra Rabanera del Pinar Regumiel de la Sierra Riocavado de la Sierra Salas de los Infantes (4) Valle de Valdelaguna (5) Villanueva de Carazo Vilviestre del Pinar Vizcaínos

• Province of Burgos

• website of the Province of Burgos delegation

42°00′23″N 3°15′55″W / 42.0063°N 3.2654°W / 42.0063; -3.2654