Arrenes (Greek: Αρρένες) is a former community in Kastoria regional unit, Western Macedonia, Greece.

Since the 2011 local government reform it is part of the municipality Nestorio, of which it is a municipal unit.

[2] The municipal unit has an area of 134.600 km2.

The seat of the community was in Eptachori.

The communities of the municipal unit are:[2][1] This Western Macedonia location article is a stub.