Hòa Bình Province
The Mường () or the Mwai are an ethnic group native to northern Vietnam. The Muong is the country's third largest of 53 minority groups, with an estimated population of 1.45 million (according to the 2019 census). The Muong people inhabit the mountainous region of northern Vietnam, concentrated in Hòa Bình Province and the mountainous districts of Thanh Hóa Province. They are most closely related to the ethnic Vietnamese (Kinh).