About Omkareshwar The Omkareshwar Temple is a Hindu temple located on the island of Mandhata, near Omkareshwar, in the Khandwa district of Madhya Pradesh, India. Omkareshwar is a Shiva-dedicated Hindu temple. It is one of Shiva's 12 sacred Jyotirlinga shrines. It is located on the Narmada river's Mandhata or Shivapuri island, which is claimed to be shaped like a Hindu symbol. Omkareshwar Jyotirlinga is a famed Hindu temple located on Omkar Mountain, an island in the middle of the Narmada River.