The term 'LANGUAGE SPOKEN IN ISLAMABAD' can be answered with the four letter word 'URDU'. Urdu is an Indo-Aryan language spoken by millions of people in Pakistan, India, and other parts of the world. It is the official language of Pakistan and is also spoken in parts of India, particularly in the states of Uttar Pradesh, Bihar, and Jammu and Kashmir. In Islamabad, the capital of Pakistan, Urdu is the most widely spoken language.