The Vietnamese were originally centered around the Red River Delta but engaged in conquest and seized new lands such as Champa, the Mekong Delta (from Cambodia) and the Central Highlands during Nam Tien.
Vietnam witnyane  magenah ring wawidangan Delta Sungai Merah  nyarengin taler ngerebut tanah baru sekadi Champa, Delta Mekong (saking Kamboja) miwah Dataran Tinggi Tengah salami. Nam Tien.