Region: EL ALTO PALANCIA Population: 689 Area: Castellón Costa Azahar Although Geldo only has an area of a few kilometres squared, there is much to see there. It is located in a valley of gentle, rolling hills at the banks of the river Palancia. The combination of its fertile plains, full of crops, and its excellent geographic position mean that the town is worthy of being highly appreciated. Accesses: The town is accessed by the main road to Aragón, the old N-234 Sagunto – Burgos road.