Koiliomenos (Greek: Κοιλιωμένος, also known as Agios Nikolaos) is a settlement on Zakynthos island, Greece.

It is located 3 kilometers southwest of Machairado and 11 kilometers southwest of Zakynthos City.

In 2021, the population of Koiliomenos was 333 inhabitants.

This Ionian Islands location article is a stub.

You can help Wikipedia by expanding it.