Jinhan was a loose confederacy of chiefdoms that existed from around the 1st century BC to the 4th century AD in the southern Korean peninsula, to the east of the Nakdong River valley, Gyeongsang Province. Jinhan was one of the Samhan (or "Three Hans"), along with Byeonhan and Mahan. Apparently descending from the Jin state of southern Korea, Jinhan was absorbed by the later Silla, one of the Three Kingdoms of Korea.