Sulcia cretica is endemic to Greece. Three sub-species have been described: S. cretica cretica Fage, 1945 (Crete Island), S. cretica lindbergi Dresco, 1962 (known only from the cave of Perama, Ipeiros but propably also occures in Albania (Deltshev et al. 2011)) and S. cretica violacea Brignoli, 1974 (Ionian islands, continental Greece)