Ajmer (Rajasthani:, Urdu:) formerly written as Ajmere, is a city in Ajmer District in Rajasthan state in India. Ajmer has a population of around 800,000 (2011 census), and is located 135 kilometres (84 mi) west of the Rajasthan state capital Jaipur, 200 km from Jodhpur, 274 km from Udaipur, 439 km from Jaisalmer, and 391 km from Delhi.
Ajmer is surrounded by the Aravalli Mountains. It is a popular Muslim pilgrim city for the shrine or Dargah of the Sufi Saint Khwaja Moinuddin Chishti. It is also the base for visiting Pushkar (11 km), an ancient Hindu pilgrim town for the temple of Brahma. Ajmer is regarded as a center of education in Rajasthan. Ajmer was once known as Ajaymeru, the city ruled by Prithviraj Chauhan. The city has given its name to Ajmer district, and to a former region of British India called Ajmer-Merwara, and to the erstwhile state of Ajmer, which was formed after independence of India, and was incorporated into Rajasthan state on November 1, 1956