Essentially, they arrived from the north, having immigrated between 300 and 400 years ago, and are spread throughout the whole province. Population-wise, these groups account for 10.8% of the whole province.

Today, these traditional cultural values are still present among the ethnic groups of Quảng Ninh. Every form of culture bears a distinctive character, clearly expressing the requirements and special characteristics of their way of life. It is what remains special and mysterious in the villages and hamlets where they live.