Kesariyaji Temple is a prominent Hindu temple located in the town of Kesariya in the Bihar state of India. It is dedicated to Lord Buddha and is known for housing a large stupa, which is believed to contain relics of the Buddha. The temple attracts many pilgrims and tourists due to its historical significance and architectural beauty. The temple is situated near the site of the ancient Kesariya Stupa, one of the tallest stupas in the world. This stupa dates back to the 3rd century BCE and is an important site for Buddhist heritage. Visitors often come to explore the rich history and spiritual ambiance of the area.