Karachi is the largest and most populous city in Pakistan, 2nd most populous city proper in the world and 7th most populous urban city in the world. It is the capital of Sindh province of Pakistan. Wikipedia Area: 3,527 km² Elevation: 8 m Weather: 34°C, Wind SW at 18 km/h, 52% Humidity Local time: Thursday 2:23 PM Population: 9.339 million (1998) UNdata Province: Sindh Area code: 021