Official site of the Greek National Tourism Organization

 http://www.eot.gr

Athens International Airport

 http://www.aia.gr/EN/default.asp

Athens Metro

 http://www.ametro.gr

Athens Urban Transport Organization (Buses)

 http://www.oasa.gr/inrdex.asp?lang=en 

Going out (Athinorama: Weekly magazine in Greek)

 http://www.aia.gr/EN/defrault.asp