Arnaia
Arnaia 
    Αρναία  | |
|---|---|
Street in Arnaia  | |
| Coordinates: 40°29′N 23°36′E / 40.483°N 23.600°E | |
| Country | Greece | 
| Administrative region | Central Macedonia | 
| Regional unit | Chalkidiki | 
| Municipality | Aristotelis | 
| Area | |
| • Municipal unit | 288.739 km2 (111.483 sq mi) | 
| Elevation | 600 m (2,000 ft) | 
| Population  (2021)  | |
| • Municipal unit | 5,564 | 
| • Municipal unit density | 19/km2 (50/sq mi) | 
| • Community | 2,159 | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Postal code | 631 00  | 
| Area code(s) | 23710 | 
| Vehicle registration | ΧΚ | 
Arnaia (Greek: Αρναία, before 1928: Λιαρίγκοβη - Liarigkovi, or Lerigovo) is a town and a former municipality in Chalkidiki, Greece. Since the 2011 local government reform it is part of the municipality Aristotelis, of which it is a municipal unit. The municipal unit has an area of 288.739 km2. The city's population is 5,564 as of 2021. The History and Folklore Museum of Arnaia is located in the town.