The term 'Neighbor of Greece' can be answered by two crossword solutions: Macedonia (9 letters) and ALBANIA (7 letters). Macedonia is a country located in the Balkan Peninsula in southeastern Europe, bordered by Greece to the south, ALBANIA to the west, Bulgaria to the east, and North Macedonia to the north. ALBANIA is a country located in the Balkan Peninsula in southeastern Europe, bordered by Montenegro to the northwest, Kosovo to the northeast, North Macedonia to the east, and Greece to the south. Both countries are neighbors of Greece.