Tuyen Quang is a province of Vietnam, located in the northeastern part of the country to the northwest of Hanoi, at the centre of Lo River valley, atributary of the Red River. Its capital is Tuyen Quang. The province had a population of 784,811 in 2019, with adensity of 130 persons per km2 over atotal land area of 5,867.3 square kilometres (2,265.4 sq mi).
Na Hang is an ideal eco-tourism destination for adventurous travelers, exploring mysterious caves and primeval forests. Each river or each mountain is linked with acertain legend. So, Na Hang is known as alegendary land in Tuyen Quang.