Ilioupoli (Greek: Ηλιούπολη, lit. "Sun City") is a suburban municipality belongs to Central Athens regional unit and located in the central-southern part of the Athens. Its name is the modern form of the ancient name of Heliopolis in Egypt. Development of Ilioupoli started around 1924, when Greek refugees from Asia Minor settled there. Ilioupoli is twinned with Novi Sad (Serbia) and Larnaca (Cyprus).