Ajmer is one of the major and oldest cities in the Indian state of Rajasthan and the centre of the eponymous Ajmer District. It is located at the centre of Rajasthan, and is home to the Ajmer Sharif shrine. The city was established as "Ajayameru" by a Chahamana ruler, either Ajayaraja I or Ajayaraja II, and served as their capital until the 12th century CE.
Ajmer is surrounded by the Aravalli Mountains. Ajmer had been a municipality since 1869. Ajmer has been selected as one of the heritage cities for the HRIDAY and Smart City Mission schemes of the Government of India.