Metamorfosi (Greek: Μεταμόρφωση, romanized: Metamórfosi, lit.

'transfiguration'; before 1957: Koukouvaounes[3] (Greek: Κουκουβάουνες, romanized: Koukouváounes) is a suburb in the northern part of the Athens agglomeration, Greece, and a municipality of the Attica region.

Metamorfosi is situated east of the small river Kifisos, 9 km north of Athens city centre.

[4] The built-up area of Metamorfosi is continuous with those of the neighbouring suburbs Lykovrysi, Irakleio and Nea Filadelfeia.

The town is served by a Proastiakos suburban railway station.