As a part of the 2011 Kallikratis government reform, the regional unit Ikaria was created out of part of the former Samos Prefecture. It is subdivided into 2 municipalities. These are (number as in the map in the infobox):[2]
The province of Ikaria (Greek: Επαρχία Ικαρίας) was one of the provinces of the Samos Prefecture. It had the same territory as the present regional unit.[3] It was abolished in 2006.