Tan Trao is a small valley lying between mountains and jungles in Son Duong District, 40 km from Tuyen Quang City. Tan Trao is a historical area - a resistance base before the August 1945 Revolution.

The main places of interest include Tan Trao Communal House, Hong Thai Communal House and a small jungle hut where President Ho Chi Minh lived from June to August 1945. Tan Trao was a temporary capital of the independent section of Vietnam, where the Vietnamese Communist Party held several meetings, especially during August 1945. On the 13th, attendees voted in favor of a general revolution during a National Conference meeting of the Communist Party. On the 16th, the National Assembly Conference was held.

Ten major policies were voted by the Vietminh, the League for the Independence of Vietnam, and a temporary government chaired by President Ho Chi Minh was established. The Vietminh army was also founded on that day. Also on the 16th, the Provisional Government led by President Ho Chi Minh had a meeting in the Tan Trao Communal House. The participants of this conference stayed at the Hong Thai Communal House. One hundred meters north of the communal house is the Tan Trao Banyan tree. Between June and August 1945, before he returned to Hanoi, President Ho Chi Minh resided in this area in a cottage erected by the liberation soldiers.