Glyka Nera (Greek: Γλυκά Νερά [ɣliˈka neˈra], meaning "sweet waters", named after an underground water source) is a suburb in the northeastern part of Athens Metropolitan Area.

Since the 2011 local government reform it belongs to the East Attica regional unit and is part of the municipality Paiania, of which it is a municipal unit.

[3] Glyka Nera is situated on the eastern slope of the northernmost part of the forested Hymettus mountain.

Adjacent towns are Gerakas to the northeast and Paiania to the south.

The A62 Hymettus Ring Road (formerly the A64 until 2024) passes north of the town.