Possible Clues:

• Ancient city in north-east Peloponnesus on the plain of Argos
• In EEC many turned to the Greek city and civilisation of the Bronze Age
• Greek Bronze Age city
• Many upset with EEC in the city once
• Ancient Greek city
• Ancient city in Greece
• Agamemnon's domain
• The place I like to be, say: extremely agreeable old city
• Ancient Greek city of Bronze Age civilisation
• Legendary capital of King Agamemnon