The country is a significant agricultural producer within the EU. <answer>Greece</answer> has the largest economy in the Balkans and is as an important regional investor. <answer>Greece</answer> was the largest foreign investor in Albania in 2013, the third in Bulgaria, in the top-three in Romania and Serbia and the most important trading partner and largest foreign investor in the former Yugoslav Republic of Macedonia. The Greek telecommunications company OTE has become a strong investor in former Yugoslavia and in other Balkan countries.
What was Albania's largest foreign investor in 2013?
Greece