Sasaram () sometimes also spelled as Sahasram, is an ancient historical city and a municipal corporation region in the Rohtas district of the Bihar state in eastern India, with a history that goes to thousands of years. During the prehistoric age, Buddha walked through this way and lived for some days and then travelled to Gaya to be enlightened with verity and wisdom under the Mahabodhi tree, the city is also known as gateway of "Vihar" to visit rest "Bihar" including Gaya, Rajgriha, and Nalanda. It has also served as the capital of the Sur dynasty during Shershah Suri ruled over India in 16th Century, and was residence place sub capital of epic monarch Sahstrabahu (Kartivirya Arjuna). T Sasaram and the Kaimur range contain waterfalls, lakes, rivers and picturesque locations as described by the Ain-I-Akbari. Over 200 waterfalls emerge during the rainy season. Dharohar - Karamchat Waterfall, Geetaghat Heaven Holy Waterfall, Panari Ghat/Gaurav Waterfalls, Manjharkund, Dhuvan Kund, Sitakund, Kashish, Mahadev Khoh & Tutla Bhavani Waterfalls are among the most famous. Telhar Kund, Karkat Garh, Mundeshwari Waterfall, Bansi Khoh, Netua Kund, and Chandradhari Waterfalls in the nearby Kaimur range are also well known . Modern Sasaram city covers the largest sub-metropolitan area of Bihar. It has many famous religious and historical spots to visit such as Shershah tomb, Rohtasgarh fort, Indrapuri Dam, Karamchat Dam Shergarh fort, Kandhar fort, Sacred Tarachandi Shaktipith, Bhaluni dham, Mahadev Khoh, Chaurasan temple, Gupta Dham, Tutla Bhawani temple, Pilot Baba Dham, Godaila Pahad Temple, Anicat Dam, and the Eco park. Sasaram city is located in the middle of its other sub-towns like Nokha & Kudra which has a large number of agriculture based industries, and the city is also emerging as an educational hub. It is situated in the middle of other industrial twin towns like Dehri-on-sone, Dalmianagar, Sonnagar, Amjhor, Nokha and Banjari.