Villanueva de Castellon is located at the confluence of the Rivers Júcar and Albaida. The relief is completely flat. Exceptions include Cárcer Port (Serreta de Uchera), and the Castle Mount, upon which lie the remains of the castle that gave name to the village. The rest of the municipality lies at an average altitude of 30-40 metres above sea level. It has a population of about 7,690 inhabitants and lies 48.6 km from Valencia.