Islamabad Tongue is the term used to refer to the Urdu language, which is spoken in the capital city of Pakistan, Islamabad. It is a form of Hindustani, which is an Indo-Aryan language that is also spoken in India and other parts of South Asia. Urdu is the official language of Pakistan and is widely spoken throughout the country. It is also one of the 22 official languages of India. Urdu has a rich literary tradition and is the language of many poets and writers.