Kilwa Kivinje Historic Site (Swahili Mji wa Kale wa Kivinje) is a protected historic site located on Kilwa Kivinje ward in Kilwa District in Lindi Region of Tanzania's Indian Ocean coast. The site is home to medieval Swahili ruins and some surviving Swahili buildings from the late 19th century. The settlement of Kilwa Kivinje itself dates back to the 18thâÂÂ19th centuries, while the periphery settlements of Kisangi Ugoga and Kiwavi flourished during the 13thâÂÂ16th centuries.