Nea Ionia is a town and a northern suburb of the Athens agglomeration, Greece, and a municipality of the Attica region. It was named after Io…Nea Ionia is a town and a northern suburb of the Athens agglomeration, Greece, and a municipality of the Attica region. It was named after Ionia, the region in Anatolia from which many Greeks migrated in the 1920s as a part of the population exchange between Greece and Turkey. Many of the town families originated from the town of Alanya which is currently a part of Turkey.