Indragiri

Indragiri was a Malay river kingdom in eastern Sumatra, on the river later named Indragiri. Tradition traced its rulers to Raja Merlang I, said to have settled there in 1298; it was long subordinate to the Minangkabau kings of Pagaruyung.

Local tradition dated the independent sultanate to 1508 under Nara Singa II, whose forces fought the Portuguese in 1523–1524. Sultan Ibrahim later joined a campaign to retake Malacca in 1784 and founded a new capital at Rengat in 1786.