It starts from the Pab Range in southeastern Balochistan, continues along the border of Sindh and reaches Hub and then discharges into the Arabian Sea.

[3] "Hab river emerges from mountains near Zahri village of Jhalawan, and it flows along the border of Sindh and Lasbela for 60 miles and it ends at Arabian Sea near Ras Monzi.

[5] Alexander the Great crossed Hub River through Lasbela on his way back to Babylon after conquering Northwestern India.

Alexander mentions the river name as Arabius (Ancient Greek: Ἀράβιος), and local people as Oreitans.

[6] In 711 CE, the Arab general Muhammad bin Qasim crossed Hub River when he passed through Lasbela on his way to Sindh.