Southeast AsiaAsiaMajor empire

Khmer Empire

Also known as Angkorian Empire

802 CE – 1431 CE · about 629 years

The Khmer Empire ruled much of mainland Southeast Asia from Angkor, building the temple complexes of Angkor Wat and Angkor Thom. Its religion shifted from Hinduism to Theravada Buddhism. Ayutthaya sacked Angkor in 1431.

Key facts

Dates	802 CE – 1431 CE
Region	Southeast Asia
Continent	Asia
Capitals	Mahendraparvata, Yasodharapura (Angkor)
Founder	Jayavarman II
Religion(s)	Hinduism, Buddhism
Peak extent	≈ 1 million km² (c. 1290 CE) – source

Before & after

Preceded by

Funan Chenla Dvaravati

Followed by

Ayutthaya Kingdom Lan Xang Kingdom of Cambodia (post-Angkor)

Sources

Wikipedia – Khmer Empire
Wikipedia – List of largest empires

Dates follow widely used reference works; many ancient dates are approximate or debated. Neutral summary for general reference.