Ujjain or Ujjayinī is a city in Ujjain district of the Indian state of Madhya Pradesh. It is the fifth-largest city in Madhya Pradesh by population and is the administrative centre of Ujjain district and Ujjain division. It is one of the Hindu pilgrimage centres of Sapta Puri famous for the Kumbh Mela (Simhastha) held there every 12 years. The famous temple of Mahakaleshwar Jyotirlinga is located in the center of the city. The city has been one of the most prominent trade and political centres of the Indian Subcontinent from the time of the ancient Mahājanapadas until the British colonisation of India.

Madhya Pradesh is a state in central India. Its capital is Bhopal, and the largest city is Indore, with Gwalior, Jabalpur, Ujjain, Dewas, Sagar, Satna, and Rewa being the other major cities. Madhya Pradesh is the second largest Indian state by area and the fifth largest state by population with over 72 million residents. It borders the states of Uttar Pradesh to the northeast, Chhattisgarh to the east, Maharashtra to the south, Gujarat to the west, and Rajasthan to the northwest.