One of the twelve Jyotirlingas is in Kashi which is called Baba Vishwanath. Kashi is also known as Banaras and Varanasi. This city of Shiva and Kaal Bhairav is wonderful, which has been included in the Saptapuris. Being situated between two rivers 'Varuna' and 'Asi', it got the name 'Varanasi'. Kaal Bhairav Mandir is an important and ancient temple of Varanasi. Lord Kaal Bhairav is considered as the "Kotwal of Varanasi", without his permission no one can live in Kashi. His darshan on Sunday has special significance.