1) Greek surname 
Andreou (Ανδρέου an̪ˈðre̞u), also spelt Antreou, is a common surname in Greece and Cyprus. It originally meant son of Andrew or son of Andreas. Andreou or Andreu is also a last name in Spain and Italy. Andreou is of pre-Christian Greek origin although in Western Europe it gained popularity during the Crusades (mostly in the form of Andr...