Greek to English Law/Patents General / Conversation / Greetings / Letters certificate of causes of death (Cyprus)

I would like to know the meaning of the acronym ΑΕΑ used on this form, "Medical Certificate of Causes of Death" (see: Αρ. Ταυτότητας/ΑΕΑ/Διαβατηρίου):

http://www.moh.gov.cy/MOH/MOH.nsf/All/01218A449BA0C274C22579...$file/%CE%99%CE%91%CE%A4%CE%A1%CE%99%CE%9A%CE%9F%20%CE%A0%CE%99%CE%A3%CE%A4%CE%9F%CE%A0%CE%9F%CE%99%CE%97%CE%A4%CE%99%CE%9A%CE%9F%20%CE%91%CE%99%CE%A4%CE%99%CE%A9%CE%9D%20%CE%98%CE%91%CE%9D%CE%91%CE%A4%CE%9F%CE%A5.pdf

Thanks!