| Sierra de la Demanda | |
| Native Name Lang: | es |
| Settlement Type: | Comarca |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Castile and León |
| Subdivision Type2: | Province |
| Subdivision Name2: | Burgos |
| Seat Type: | Capital |
| Seat: | Salas de los Infantes |
| Parts Type: | Municipalities |
| Parts Style: | list |
| Population Density Km2: | auto |
| Blank Name Sec1: | Largest municipality |
| Blank Info Sec1: | Salas de los Infantes |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Area Code Type: | Dialing code |
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.[1]
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.
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