Karachi 卡拉奇
Karachi (Urdu:کراچی / ALA-LC: Karācī IPA: [kəˈrɑːˌtʃi]) is the largest city in Pakistan It is also the capital of Pakistani province of Sindh. Karachi is the main seaport and financial center of Pakistan. Karachi is also known as City of Lights mainly due to city's night life, for which it is famous as the city which never sleeps. Karachi metro has an estimated population of over 23.5 million people as of 2013, and area of approximately 3,527 km (1,362 sq mi), resulting in a density of more than 6,000 people per square kilometre (15,500 per square mile).