Lâm Ấp was a kingdom located in central Vietnam that existed from around 192 AD to 629 AD in what is today central Vietnam, and was one of the earliest recorded Champa kingdoms. The name Linyi however had been employed by official Chinese histories from 192 to even 758 AD to describe a particular early Champa kingdom located north of the Hải Vân Pass. The ruins of its capital, the ancient city of Kandapurpura is now located in Long Tho Hill, 3 kilometers to the west of the city of Huế.

Champa was a collection of independent Cham polities that extended across the coast of what is present-day central and southern Vietnam from approximately the 2nd century CE until 1832. According to earliest historical references found in ancient sources, the first Cham polities were established around the 2nd to 3rd centuries CE, in the wake of Khu Liên's rebellion against the rule of China's Eastern Han dynasty, and lasted until when the final remaining principality of Champa was annexed by Emperor Minh Mạng of the Vietnamese Nguyễn dynasty as part of the expansionist Nam tiến policy. The kingdom was known variously as Nagaracampa, Champa (ꨌꩌꨛꨩ) in modern Cham, and Châmpa (ចាម្ប៉ា) in the Khmer inscriptions, Chiêm Thành in Vietnamese and Zhànchéng in Chinese records, and al-Ṣanf in Middle Eastern Muslim records.