Kengtung, also spelt Kyaingtong, classical name Tungapuri, is a city in Shan State, Myanmar. It is the principal town of Kengtung Township …Kengtung, also spelt Kyaingtong, classical name Tungapuri, is a city in Shan State, Myanmar. It is the principal town of Kengtung Township and the former seat of Kengtung State, a minor principality. Kengtung is located on the National Highway 4 and at the AH2 and AH3 of the Asian Highway. It is also the largest city and the capital of eastern Shan State, Myanmar.