Ajmer (Rajasthani: अजमेर, Urdu: اجمیر) pronounced [ədʒmeːr] ( listen), 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.
Prithviraj Chauhan of Ajmer (Sanskrit Ajayameru)(It was called' Aj-meru'. Aj is a name synonym to lord Bramha, Meru means hills.Ajmeru means abode hills of lord Bramha) was found in the late seventh century by Dushyant Chauhan. He established the Chauhan dynasty, which continued to rule the country while repeated waves of Turkish invasions swept across India.