The city is situated on the banks of river Sindh. Main railway line connecting Karachi and Lahore crosses this city. It is the second largest city of Sindh province, after Karachi. Local people call it "Hyderabad Sindh" and they call the Indian city of Hyderabad (Andhra Pradesh), as "Hyderabad Deccan".
Tahsils in the District
The district is administratively subdivided into the following talukas:
Hyderabad city of Pakistan was founded by Nehra Jats. Nehras were rulers of Nehrun state in Sindh at the time of attack on Sindh by Muhammad bin Qasim in 710. Present Hyderabad (Pakistan) city was settled on the land of Nehrun. The Hyderabad city was then named Nehrun Kot and was called the heart of the Mehran. 
In the Chachnama we find frequent mention of a chief Agham Lohana who was ruler of Brahmanabad with their two territories Lakha to the west of Lohana and Samma to the south of Lohana (Nerron) Narayankot Hyderabad, Sindh in the time of Chach 636 AD.
- Thakur Deshraj, Jat Itihas (Hindi), Maharaja Suraj Mal Smarak Shiksha Sansthan, Delhi, 1934, 2nd edition 1992 page 701.