Venadu, romanised as Venad, also known as Quilon, was a medieval state located between the Western Ghat Mountains and the Arabian Sea, at the south-western tip of India, with its traditional capital at the port city of Kollam (Quilon). The Kingdom of Quilon included the present-day Kerala districts of Kollam, Pathanamthitta, southern parts of Alappuzha, and Thiruvananthapuram, as well as the Kanyakumari district of present-day Tamil Nadu. Kanyakumari and Thiruvananthapuram are located to the south of capital town Quilon (Kollam). It was one of the major principalities of present-day Kerala, along with the states of Kannur (Kolathunadu), Kozhikode, and Kochi (Perumpadappu), during the medieval and early modern periods.