The area of Africa now known as Malawi had a very small population of hunter-gatherers before waves of Bantu peoples began emigrating from the north around the 10th century. Although most of the Bantu peoples continued south, some remained and founded ethnic groups based on common ancestry. By 1500 AD, the tribes had established the Kingdom of Maravi that reached from north of what is now Nkhotakota to the Zambezi River and from Lake Malawi to the Luangwa River in what is now Zambia.