Tibet lies between the core areas of the ancient civilizations of China and of India.
Extensive mountain ranges to the east of the Tibetan Plateau mark the border with China, and the towering Himalayas of Nepal and India form a barrier between Tibet and India.
Tibetan history, as it has been recorded, is particularly focused on the history of Buddhism in Tibet.
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The first externally confirmed contact with the Tibetan kingdom in recorded Tibetan history occurred when King Namri Löntsän (Gnam-ri-slon-rtsan) sent an ambassador to China in the early 7th century.
The latter apparently maintained control over much of central Tibet for a time, and sired two sons, Trashi Tsentsän (Bkra shis brtsen brtsan) and Thrikhyiding (Khri khyi lding), also called Kyide Nyigön (Skyid lde nyi ma mgon) in some sources.
Thrikhyiding migrated to the western Tibetan region of upper Ngari (Stod Mnga ris) and married a woman of high central Tibetan nobility, with whom he founded a local dynasty.
After the breakup of the Tibetan empire in 842, Nyima-Gon, a representative of the ancient Tibetan royal house, founded the first Ladakh dynasty.