The First Era of Northern Domination refers to the period of Vietnamese history during which present-day northern Vietnam was under the rule of the Han dynasty and the Xin dynasty. It is considered the first of four periods of Chinese rule over Vietnam, and the first of the three in which were almost continuous and was referred to as Bắc thuộc.

The Baiyue, Hundred Yue, or simply Yue, were various ethnic groups who inhabited the regions of Southern China and Northern Vietnam during the 1st millennium BC and 1st millennium AD. They were known for their short hair, body tattoos, fine swords, and naval prowess.