| Arenales de San Gregorio | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain |
| Pushpin Map Caption: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ciudad Real |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Mancha Alta |
| Subdivision Type4: | Judicial district |
| Subdivision Name4: | Alcázar de San Juan |
| Coordinates: | 39.3097°N -3.0256°W |
| Elevation M: | 660 |
| Area Total Km2: | 31.19 |
| Population Demonym: | Arenaleros |
| Population Density Km2: | auto |
| Blank Name Sec1: | Official language(s) |
| Blank Info Sec1: | Catalan, Spanish |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 13619 |
| Area Code Type: | Dialing code |
| Leader Title: | Mayor |
| Leader Name: | Ángel Ortiz Jiménez |
Arenales de San Gregorio is a municipality in the province of Ciudad Real, Castile-La Mancha, Spain. It has a population of 703.
Economy is mostly based on agriculture, with cultivation of vine and olives.
The village economy is mainly based on the primary sector. The cultivation of vineyards and olive cultivation are very importants. But the most important product of the village is the fabulous melon cultivation.
The village has also a cooperative, bars and a rural hotel.