Arnaia (Greek: Αρναία, before 1928: Λιαρίγκοβη - Liarigkovi, or Lerigovo[2]) 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.

[3] The municipal unit has an area of 288.739 km2.

The History and Folklore Museum of Arnaia is located in the town.

Subdivisions of the municipal unit (population in 2011 between square brackets): Media related to Arnaia at Wikimedia Commons This Central Macedonia location article is a stub.