Benazir Bhutto International Airport (Urdu: بینظیر بھٹو بین الاقوامی ہوائی اڈا‎, IATA: ISB, ICAO: OPRN) is the third-largest airport in Pakistan, serving the capital Islamabad and its twin city Rawalpindi in the province of Punjab. Previously known as the Islamabad International Airport, it was renamed after the late Pakistani leader Benazir Bhutto by the then Prime Minister of Pakistan, Yusuf Raza Gillani on 21 June 2008. The airport is actually located outside Islamabad, in the area of Chaklala, Rawalpindi. Being the main airport for the Pakistani capital it often hosts officials and citizens from other nations. The airfield is shared with the transport and liaison squadrons of the Pakistan Air Force, which refers to it as PAF Base Nur Khan.