The founding of Vila-real by Jaime I Historical milestone · Vila-real, La Plana Baixa, Castellón The king founded from scratch in 1274 a royal town of orthogonal layout in the middle of the plain, with grid streets and a central square, to secure Christian control of the territory and of the road between Borriana and Onda. 20 de febrero de 1274 Photo: Areyes108 (CC BY-SA 4.0) What to see and do in Vila-real