Kalmar "Gasherbrum" tana nufin rukunin tsaunuka masu tsayi da ke cikin yankin Karakoram na Himalayas, a kan iyakar Pakistan da China. Sunan "Gasherbrum" ya fito ne daga harshen Balti na gida, inda "rgasha" ke nufin kyakkyawa kuma "brum" yana nufin dutse. Kololuwar Gasherbrum na daga cikin mafi girma a duniya, tare da taruka da yawa da suka wuce mita 8,000 a tsayi. Ƙungiyar ta haɗa da kololuwa shida gabaɗaya, masu lakabin Gasherbrum I zuwa VI, tare da Gasherbrum II shine mafi girman kololu a mita 8,035.