Ilion is a town and a suburb in the western part of the Athens agglomeration, Greece. Ilion lies southeast of Mount Aigaleo, 6 km northwest of Athens. The municipal town has an area of 9.453 km². Neighbouring municipalities and towns are Agioi Anargyroi-Kamatero to the north and east, Petroupoli to the northwest and Peristeri to the so…Ilion is a town and a suburb in the western part of the Athens agglomeration, Greece. Ilion lies southeast of Mount Aigaleo, 6 km northwest of Athens. The municipal town has an area of 9.453 km². Neighbouring municipalities and towns are Agioi Anargyroi-Kamatero to the north and east, Petroupoli to the northwest and Peristeri to the south. The main streets are Fylis Avenue, Thivon Avenue, Idomeneos Street and Protesilaou Street.