Crossword clues for Its HQ is in Brussels 4 lettersAnswerClueNATOGp. with a Brussels HQNATOGrp. with its HQ in BrusselsNATOAlliance with its HQ in BrusselsNATOGroup with HQ in BrusselsNATOIts HQ is in BrusselsNATOAlliance HQ'd in BrusselsNATOAlliance whose HQ is in BrusselsNATOIt's HQ'd in BrusselsNATOIts HQ to be in Brussels.NATOMil. gp. HQ'd in Haren, BrusselsEECIts HQ is in Brussels