Crossword clues for the word: BELGA The word BELGA has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for BELGA Showing 1 to 7 of 7 results Clue(s) Currency of Brussels once Former 5-franc coin in Brussels Former 5-franc unit in Brussels. Former monetary unit in Brussels. Former money in Antwerp Money in Brussels Unit of currency in Brussels.