The provisional capital of Sindh province Karachi is the most populated and biggest city of Pakistan. Karachi is known as Pakistan’s business hub and commercial center. It is a financial, educational, cultural and political hub situated on the coast of the Arabian Sea.Lahore is the capital of Punjab and is considered as the heart of Pakistan. It has a rich historical background. The city has many landmarks and historical buildings belong to the previous history of the sub-continent. Allama Iqbal International Airport is the international airport of the Lahore. This Airport has many flights for and from all over the country and international destinations.