Gedrosia is the ancient name of an area that corresponds to the southernwestern part of today 's Pakistan, from the Indus River to the areas of Baluchistan and Makran. The Indus (Sindh darya), known as Sindhu to Indians and in Sanskrit, as Sinthos in Greek, and Sindus in Latin, is the principal river of Pakistan. ... Baluchistan (or Balochistan), also known as Greater Baluchistan is an arid region of south Asia, presently split between Iran, Pakistan and Afghanistan. ... Makran is the southern region of Balochistan, in Iran and Pakistan along the coast of the Arabian Sea and the Gulf of Oman. ...

It is directly to the south of the ancient provinces of Arachosia and Drangiana, and to the east of Carmania. Arachosia is the ancient name of an area that corresponds to the southern part of today s Afghanistan, around the city of Kandahar. ... Kerman is a province rich in historical sites and monuments. ...

Alexander the Great, on his way back to Babylon after campaining in the east, crossed this desert where many historians say he lost three-quarters of his army.