Dwarka city is located in the Jamnagar district of Gujarat. It is one of the most ancient cities in India and houses the famous Dwarkadhish temple, which is one of the biggest Hindu pilgrimage places in India. The city was also called Swarna Dwarka (golden Dwarka) because of its prosperity. It even finds reference in the great Hindu epic of Mahabharata. After Shri Krishna killed his maternal uncle Kansa, his father-in-law was enraged. In order to take revenge of his son-in-law, he attacked Mathura 17 times, along with his friend Kalayavan.