সঠিক উত্তর হচ্ছে: কোপেনহেগেন, ডেনমার্ক
ব্যাখ্যা: The regulation establishing the EEA was adopted by the European Union in 1990. It came into force in late 1993 immediately after the decision was taken to locate the EEA in Copenhagen. Work started in earnest in 1994. The headquarter of the EEA is in Copenhagen, Denmark. Source: EEA website.