Ionia () is a former municipality on the island of Chios, North Aegean, Greece. Since the 2011 local government reform it is part of the municipality Chios, of which it is a municipal unit. It is located in the southeastern part of the island, and has a land area of 48.272km². Its population was 3,570 at the 2021 census. The seat of the municipality was in Kallimasia. Other large towns are Nenita, Tholopotámi and Katarráktis.

Notable people

• Joachim IV, Patriarch of Constantinople

References