| Official Name: | Alfoz de Santa Gadea |
| Postal Code Type: | Postal code |
| Postal Code: | 09571 |
| Area Total Km2: | 34.39 |
| Elevation M: | 893 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Website: | http://www.alfozdesantagadea.es/ |
Alfoz de Santa Gadea is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 132 inhabitants.
The Alfoz de Santa Gadea is made up of three towns: Santa Gadea (seat or capital), Quintanilla de Santa Gadea and Higón.