Kosala is the westernmost of the Vendhyan kingdoms, a place between the hot, damp jungles and the rocky barrens of the Ghulis, where those cultures mix freely.
Ahen, Azarah, Bota, Canto, Fendi, Hanud, Qalandar, Rabaani, Wase, Zabdas.
Ahna, Baiyla, Llao, Losana, Maesa, Samsi, Tanit, Tuvé, Wutu, Zainab.
Also see Vendhya.
Core Book ch.8, p.239.
Conan the Wanderer ch.2, p.51.