Indore derives its name from the 18th century Indreshwar temple. The city is situated on the banks of the rivers Sarasvati and Khan and is the largest in Madhya Pradesh. Indore was planned and built by Rani Ahilyabai Holker. It is naturally endowed with a beautiful landscape and salubrious climate. There are numerous monuments associated with the Holkars in the city. Indore is a great industrial centre and has the look of a boom town.