Central Athens is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the central part of the agglo…Central Athens is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the central part of the agglomeration of Greater Athens. As a part of the 2011 Kallikratis government reform, the regional unit Central Athens was created out of part of the former Athens Prefecture. It is subdivided into 8 municipalities.