Bikaner is a district located in the northwestern part of the State of Rajasthan in India and is surrounded by the Thar Desert. The city has immense cultural as well as historical importance and is the fourth largest city in Rajasthan. This city is also called the "Camel City" because it is home to the best riding camels in the world. Since the city is located in the middle of a desert, Islamic invaders found it difficult to conquer it and bring it under the Mughal Empire. Bikaner is about 160km from the border with Pakistan.