Hyderābād District (Urdu: حیدر آباد), is a district of Sindh, Pakistan. It used to be an administrative division of the Sindh namely the Hyderabad Division, until the reforms of 2000 abolished the third tier of government. It's capital is the city of Hyderabad. The Kirthar National Park is in Hyderabad district. According to the 1998 census of Pakistan. it had a population of 4,339,445 of which 50.07% were urban, making it second-most urbanised district of Sindh.
- "Urban Resource Centre". http://www.urckarachi.org/Population%20Table-5.htm. Retrieved 2008-04-24.