Muaro Jambi is a Buddhist temple complex, in Muaro Jambi Regency, Jambi province, Sumatra, Indonesia. It is situated 26 kilometers east from the city of Jambi. The temple complex was built by the Melayu Kingdom, with its surviving temples and other archaeological remains estimated to date from the 7th to 13th century CE. The archaeological site includes eight excavated temple sanctuaries and covers about 12 square kilometers, stretches 7.5 kilometers along the Batang Hari River, 80 menapos or mounds of temple ruins, are not yet restored. It is one of the largest and best-preserved ancient temple complexes in South East Asia.

Muaro Jambi Regency is a regency of Jambi Province, Sumatra, Indonesia. It was created on 4 October 1999 by the separation of what were formerly the eastern districts of Batang Hari Regency. It surrounds the major city of Jambi, the provincial capital, and includes many of the expanding suburbs of Jambi outside the city boundaries; consequently it has experienced population growth greater than elsewhere in the province. From the 4th until the 13th century, it was the seat of the Hindu-Buddhist Melayu Kingdom. It has an area of 5,246.00 km2 and had a population of 342,952 at the 2010 census and 390,347 at the 2020 census; the official estimate as at mid 2022 is 412,830.