Binh Lieu is a mountainous border district in the North East of Quang Ninh Province. The district is 120km from Ha Long city, 290km from Ha Noi. It has 42.999km of border with China in the North, Hoanh Mo border gate – one of the border gates to China – located in the important Hoanh Mo – Dong Van Border Gate Economic Zone. Binh Lieu District is occupied by five ethnic groups are: Tay, Dao, San Chi, Hoa and Kinh. Binh Lieu is endowed with temperate climate, cool and fresh air all year round.