Vasileios Demetis (, born May 12, 1983, in Athens, Greece)Demetis's bio page from the 2008 Olympics website; retrieved 2009-07-23. is an Olympic swimmer from Greece.
Career Demetis swam for Greece at the 2008 OlympicsDemetis's entry from www.sports-reference.com; retrieved 2009-07-23. and at the 2007 World Championships.
References