Rajasthan is India’s largest state by area It is located on the north-western side of the country where it comprises most of the wide and inhospitable Thar Desert and shares a border with the Pakistani provinces of Punjab to the northwest and Sindh to the west, along the Sutlej-Indus river valley. Elsewhere it is bordered by the other Indian states Punjab to the north; Haryana and Uttar Pradesh to the northeast Madhya Pradesh to the southeast and Gujarat to the southwest. Rajasthan is divided into 9 regions Ajmer State Hadoti, Dhundhar, Gorwar, Shekhawati, Mewar, Marwar, Vagad and Mewat which are equally rich in its heritage and artistic contribution. These regions have a parallel history which goes along with that of the state. The desert has some major districts like Jodhpur, Jaisalmer, Barmer, Bikaner and Nagour. This area is also important defence point of view. Jodhpur airbase is Indias largest airbase and military, BSF bases are also situated here. A single civil airport is also situated in Jodhpur .