Buddhism has been divided into many sects with different beliefs, traditions, and practices. Buddhism is generally based upon the teachings of Siddhartha Gautama, who is popularly known as Gautama Buddha. In Buddhism, there is no single text that is universally referred to or accepted by all the sects. Buddist scholars refer to Vinaya Pitaka and the first four Nikayas of Sutta Pitaka as the essential teaching of all traditions.
Tibetan Buddhism is the Buddist sect, which is mainly found in Tibet. Tibetan Buddhist trust in the reincarnation of the Dalai Lama, the exiled spiritual and political leader of Tibet. Tibetan Buddhism has four traditions, such as Nyingma, Kagyu, Sakya, and Gelug. Tibetan Buddhism is the most well known and respected religion next to Christianity.