Dao Ma Pa­ Lang is afamous mountain pass located in HaGiang Province, Vietnam. It is known for its breathtaking and rugged landscapes, with towering limestone peaks, deep valleys, and awinding mountain road that offers stunning panoramic views. It is at the altitude of 1,500 m.

HaGiang is a province in the Northeast region of Vietnam. It is located in the far north of the country, and contains Vietnam's northernmost point. It shares a270 km long border with Yunnan province of southern China, and thus is known as Vietnam's final frontier. It covers an area of 7,929.48 km2 (3,061.6 sq mi), comprising 1 city and 10 rural districts, with apopulation of over 850 thousand people as of 2019.

Dinh VuaMao, also known as the Palace of Hmong King, is a historic building located in Xa  Phin commune of Dong Van District, HaGiang Province, Vietnam. The building was constructed during the late 19th century and served as the residence of the Hmong King in the region.

Cot Cu Lung Cu, also known as Lung Cu Flagpole, is a significant landmark located in Lung Cu commune, Dong Van district, Ha  Giang province, Vietnam. Cot Cu Lung Cu is situated in the northernmost part of Vietnam, near the border with China. It is located in Lung Cu commune, which is approximately 24 kilometers from Dong Van town.