Arem is the ethnics in Quang Binh province. In the past, they lived in the caves by catching fish in streams, rivers or catching wild animals. Recently by the helping of the King people, they've moved to live in the houses. Arem is the fewest ethnics of Vietnam, the total population is only less 200 people. Arem ethnics village is about 40km from Phong Nha- Ke bang national park.