The area of Karachi (, ) in Sindh, Pakistan has a natural harbor and has been used as fishing port by local fisherman belonging to Sindhi tribes since prehistory. Archaeological excavations have uncovered a period going back to Indus valley civilisation which shows the importance of the port since the Bronze Age. The port city of Banbhore was established before the Christian era which served as an important trade hub in the region, the port was recorded by various names by the Greeks such as Krokola, Morontobara port, and Barbarikon, a sea port of the Indo-Greek Bactrian kingdom and Ramya according to some Greek texts. The Arabs knew it as the port of Debal, from where Muhammad bin Qasim led his conquering force into Sindh (the western corner of South Asia) in AD 712. Lahari Bandar or Lari Bandar succeeded Debal as a major port of the Indus; it was located close to Banbhore, in modern Karachi. The first modern port city near Manora Island (now Manora Peninsula) was established during British colonial Raj in the late 19th century.
Names
The ancient names of Karachi included: Krokola, Barbarikon, Nawa Nar, Rambagh, Kurruck, Karak Bander, Auranga Bandar, Minnagara, Kalachi, Morontobara, Kalachi-jo-Goth, Banbhore, Debal, Barbarice, and Kurrachee.
Early history
Pre history
The Late Paleolithic and Mesolithic sites found by Karachi University team on the Mulri Hills, in front of Karachi University Campus, constitute one of the most important archaeological discoveries made in Sindh during the last fifty years. The last hunter-gatherers, who left abundant traces of their passage, repeatedly inhabited the Hills. Some twenty different spots of flint tools were discovered during the surface surveys.
Indus Valley Civilisation
Ahladino and Pir Shah Jurio are the archaeological sites from the Indus Valley civilisation periods situated in Karachi district. Floor tiles of a house have been discovered at this site of Ahladino.
Greeks Visitors
The Greeks recorded the place by many names: Krokola, the place where Alexander camped to prepare a fleet for Babylon after his campaign in the Indus Valley; Morontobara, from whence Alexander's admiral Nearchus set sail; and Barbarikon, a port of the Bactrian kingdom.
Debal and Bhanbhore
Debal and Bhanbhore were the ancient port cities established near present-day modern city of Karachi. It dates back to the Scytho-Parthian era and was later controlled by Hindu Buddhist kingdoms before falling into Arab possession in the 8th century CE. In the 13th century it was abandoned Remains of one of the earliest known mosques in the region dating back to 727 AD are still preserved in the city. Strabo mentions export of Rice from near present-day Karachi and Gulf of Cambay) to Arabia.
According to Biladuri, A large minaret of a temple existed in Debal whose upper portion was knocked down by Ambissa Ibn Ishak and converted into prison. and at the same time began to repair the ruined town with the stones of minaret.
Post Islamic era (8th century AD – 19th century)
Muhammad bin Qasim
In AD 711, Muhammad bin Qasim conquered the Sindh and Indus Valley, bringing South Asian societies into contact with Islam, succeeding partly because Raja Dahir was a Hindu king that ruled over a Buddhist majority and that Chach of Alor and his kin were regarded as usurpers of the earlier Buddhist Rai dynasty this view is questioned by those who note the diffuse and blurred nature of Hindu and Buddhist practices in the region, especially that of a royalty to be patrons of both and those who believe that Chach himself may have been a Buddhist. The forces of Muhammad bin Qasim defeated Raja Dahir in alliance with the Jats and other regional governors.
Mughal empire
During the rule of the Mughal administrator of Sindh, Mirza Ghazi Beg the city was well fortified against Portuguese colonial incursions in Sindh. Debal and the Manora Island and was visited by Ottoman admiral Seydi Ali Reis and mentioned in his there. Fernão Mendes Pinto also claims that Sindhi sailors joined the Ottoman Admiral Kurtoğlu Hızır Reis on his voyage to Aceh. Debal was also visited by the British travel writers such as Thomas Postans and Eliot, who is noted for his vivid account on the city of Thatta.