Nileas (Greek: Νηλέας) is a former municipality in Euboea, Greece, named after the river Nilèas.

Since the 2011 local government reform it is part of the municipality Mantoudi-Limni-Agia Anna, of which it is a municipal unit.

[2] The municipal unit has an area of 129.017 km2.

The seat of the municipality was in Agia Anna.

This Central Greece location article is a stub.