The A2 links Nicosia with the south eastern city of Larnaca with the A3 going from Larnaca to Ayia Napa. The A9 connects Nicosia to the west Nicosia district villages and the Troodos mountains. The capital is also linked to the 2 international airports: Larnaca International Airport and Paphos International Airport. (Nicosia International Airport ceased commercial operations in 1974; it is located within the Green Line buffer zone, and is used as the headquarters of the United Nations Peacekeeping Force in Cyprus.)