The groups -- the Union of Female Greek Scientists , the Beacon of Piraeus and the Center for the Coordination of Hellenism -- have lodged preliminary complaints with the Athens prosecutor 's office , the chairman of Greece 's state broadcaster and the European Broadcasting Union , which shows the annual contest , one of Europe 's most popular media events .
Europe
Greece
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Greece
Athens
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Greece
Athens
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LOCATION
Piraeus
LOCATION
Athens
LOCATION
Greece
LOCATION
Europe