1 Somnath in Saurashtra(Kathiawad) , Gujarat.
2 Mallikarjun in Shrishailam or Srisailam AP (also listed as a Shakti Pitha site).
3 Mahakal in Ujjain OR Mahakalaswar at Ujjain, MP state.
4 Omkar in Mammaleshwaram (at Omkareshwar on the river Narmada, MP)
5 Vaijnath in Parli (Vaidyanath at Deogarh, Bihar
6 Bhima Shankar in Dakini northwest of Poona, in Dhakini, Maharashtra
7 Rameshwaram in Setubandha, TamilNadu
8 Nagesh, Naganath/Nageshwar, in Darukavana, Maharaashtra
9 Vishweshwar/ Viswanath in Banaras/Varanasi , UP
10 Trimbakeshwar near Nasik on the banks of river Gautami/Godavari , Maharashtra
11 Kedarnath/Kedareshwar in Utterkhand Himalayas, UP
12 Ghurmeshwar in Shivalaya OR Grineshwar in Visalakam, near Ellora caves, Maharashtra.
Remember, one who recites names of all these 12 jyotirlings regularly in the morning and evening each day, washes away all the sins which were committed in the previous 7 cycles of birth, and goes on to attain all the powers and siddhis !