Islamabad is the capital of Pakistan, a country located in South Asia. Pakistan is bordered by India to the east, Afghanistan to the west, Iran to the southwest, and China in the far northeast. It has a population of over 200 million people and is the world's sixth-most populous country. Pakistan is a federal parliamentary republic and is home to five provinces and four federal territories. The official language of Pakistan is Urdu, but English is also widely spoken. Islam is the state religion of Pakistan and the majority of its citizens are Muslim.