 Complete the following phrase:  Being the largest multi-sport stadium in the city, Kaftanzoglio Stadium regularly plays host to athletics events; such as the European Athletics Association event Olympic Meeting Thessaloniki every year; it has hosted the Greek national championships in 2009 and has been used for athletics at the Mediterranean Games and for the European Cup in athletics. In 2004 the stadium served as an official Athens 2004 venue, while in 2009 the city and the stadium hosted the 