Dwarka, the holy city of Lord Krishna is one of the chardhams of India. The other three are Puri, Rameswaram and Badrinath. Steeped in mythology, Dwarka is associated with the life of Lord Krishna. In Puranic times, Dwarka was known as Kushasthali. It became important in the Hindu mythology, when Lord Krishna decided to settle down here with his family and clan after killing Kansa, his maternal uncle. He named the place Swarnadwarika and continued to stay there till his final departure to Vaikunth dham, after which the town got submerged under the sea.
The word ‘Dwarka’ is derived from 'Dwar', a door, and in ancient times its flourishing port was considered to be the gateway to the main land. As 'Ka' means 'Brahma' meaning, gateway to Moksha. It is called Dwarkamati, Dwarkavati + more about Dwarka