The term 'NEIGHBOR OF BELG' can be solved by two crossword solutions: NETH (4 letters) and GER (3 letters). NETH stands for the Netherlands, a country located in Western Europe, bordered by Germany to the east and Belgium to the south. GER stands for Germany, a country located in Central Europe, bordered by the Netherlands to the west and Belgium to the south. Therefore, both the Netherlands and Germany are neighbors of Belgium.