| Isar | |
| Settlement Type: | Municipality and town |
| Postal Code Type: | Postal code |
| Postal Code: | 09653 |
| Area Total Km2: | 66 |
| Elevation M: | 849 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Website: | http://www.isar.es/ |
Isar is a municipality located in the province of Burgos, Castile and León, Spain.