thessaloniki, greece - june 07 2014 : rotunda of galerius also known as agios georgios is the oldest monument in thessaloniki city

2014 agios also ancient antique architecture brick building cathedral church city day europe exterior famous fort fortification galerius georgios greece greek heritage history june known landmark mausoleum medieval minaret monument mosque old oldest orthodox person religion roman rotonda rotunda sightseeing temple thessaloniki tomb tourism tower travel unesco