Magaaladan qadiimiga ah ee Qalhat, ama Galhat (Carabi: قلهات) (khariidadda Ibraahim Ortelius, oo magaceeda loo yaqaan Calha), waxay ku taalaa wax ka badan 20 km waqooyiga Sur, oo ku yaal Gobolka Ashqishqiyah ee waqooyi-bari Oman.