In 1967 Islamabad was officially made the capital, and work on the city's principal buildings, streets, and facilities was completed by the mid-1970s. Notable structures in Islamabad include the National Assembly Building, designed by Louis I. Kahn, and Pakistan House, the home of the President. Lahore , city in north-east Pakistan, capital of Punjab Province, on the Ravi River. It is the commercial and banking centre of the province. Although little industry is located in the city itself, Lahore serves as a distribution centre for the heavily industrialized surrounding area.
Factories produce textiles, metal products, chemicals, machinery, glassware, and leather goods.
An atomic energy research centre is located in the city. In 1849 Lahore fell to the British. When India was partitioned in 1947, Lahore was made capital of West Punjab. Karachi is the capital city of the province of Sindh and the largest city of Pakistan. It is situated on the eastern coast of the Arabian Sea and to the northwest of the Indus River.