Nalanda is an ancient city in the Indian state of Bihar, which was a great center of learning and one of the oldest universities in the world. It was founded in the 5th century AD during the Gupta Empire and was a prominent Buddhist center of learning from the 7th century to the 13th century.

The Nalanda University was a large complex of Buddhist monasteries and temples, which attracted scholars and students from all over the world. The university had a vast collection of books and manuscripts on various subjects, including science, medicine, philosophy, and religion. The scholars at Nalanda also made significant contributions to mathematics, astronomy, and logic.

The Nalanda ruins cover an area of about 14 hectares and include the remains of monasteries, temples, and other structures. The most notable structures at the site include the Great Stupa, which is the largest structure at Nalanda, and the ruins of several temples and monasteries.

The Nalanda Archaeological Museum is located near the site and houses a large collection of artifacts excavated from the ruins, including sculptures, inscriptions, and manuscripts. The museum also has a display of some of the ancient tools and equipment used by the scholars and students at Nalanda.