Ajmer situated in the green oasis wrapped in the barren hills has been a witness to an interesting past. The city was founded by Raja Ajai Pal Chauhan in the 7th century A.D. and continued to be a major centre of Chauhan power. When Prithviraj Chauhan lost it to Mohammed Ghauri leaving behind indelible marks of their culture and traditions on the cities history, converting it to an amalgam of various cultures and a blend of Hinduism and Islam. Ajaipal Chauhan founded Ajmer in the seventh century. He constructed a hill fort "Ajaimeur" or the invincible hill. The Chauhans ruled Ajmer till the 12th century when Prithviraj Chauhan lost Mohammed Ghauri. Thereafter it became a part of the sultanate of Delhi. Ajmer was also favourite residence for the great Mughals. Ajmer city, surrounded by the Aravallis and located in the heart of Rajasthan, is 130 km to the west of Jaipur. This place is worth visiting for its natural charm,and its religious,historical and architectural interests. The city has seen the rise and fall of many kingdoms. Ajmer is a major centre for Muslim pilgrims during the fast of Ramazan, and has some impressive Muslim architecture. The annual Urs at Dargah of Khwaja Moinuddin Chishti is held on a grand scale and attracts pilgrims from all over the world irrespective of their caste and religion. For Hindus,Ajmer is just a base to reach nearby Pushkar,and if during the Camel Fair of Pushkar, accomodation becomes a problem; Ajmer is the option open to them.