Kato Vermio
| Kato Vermio Κάτω Βέρμιο Selia de Jos, Selia | |
|---|---|
| Seli ski resort | |
| Coordinates: 40°33′N 22°1.6′E / 40.550°N 22.0267°E | |
| Country | Greece | 
| Administrative region | Central Macedonia | 
| Regional unit | Imathia | 
| Municipality | Veria | 
| Municipal unit | Veria | 
| Area | |
|  • Community | 38.915 km2 (15.025 sq mi) | 
| Elevation | 1,400 m (4,600 ft) | 
| Population  (2021) | |
|  • Community | 268 | 
| • Density | 6.9/km2 (18/sq mi) | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Postal code | 591 00 | 
| Area code(s) | +30-2331 | 
| Vehicle registration | ΗΧ | 
Kato Vermio (Greek: Κάτω Βέρμιο, before 1926: Κάτω Σέλι - Kato Seli, Aromanian: Selia de Jos or just Selia) is, primarily, an Aromanian (Vlach) Greek village and a community of the Veria municipality. Since the 2001 local government reform it is part of the municipality of Veria, of which is a municipal district. The 2021 census recorded 268 residents in the village. The altitude of the village is 1400-1550 meters, making it, probably, the highest populated village in Greece. There are about 1250 households in the village. The community of Kato Vermio-Seli covers an area of 38.915 km2.