Mahakaleshwar is considered & celebrated as the King of Ujjain. People have a bond of love & devotion with him. Even a autowala chants Jai Mahakaal before starting the auto & chants the same after recieving the charge in Ujjain.

Mahakaleshwar temple is one of the 12 jyothirlinga Temple (Holy temples in Shaivism) & is located at the bank's of Shipra river where Kumbh mela takes place  every 12 years. He is also the Kuladevata for the Kuru dynasty( Pandavas & Kauravas). Mahakaleshwar is considered the king of ujjain & no one, even Vikramadithya too ruled ujjain by staying at the boundary of the city.

This episode of Holy Tales with Himanshu Sharma will tell you about the devotee whose worship got Mahadev in Ujjain forever.