This province has the largest ratio of foreigner population among all Spanish provinces. The province is mountainous, especially in the north and midwest, whereas it is mostly flat to the south. Most of the province belongs to a semi-arid climate.
The Province of Castellón has varied landscapes and heritage that supports a growing tourist industry. Castellón's capital is Castellón de la Plana. Other major cities of the province include Villarreal, Borriana, La Vall d'Uixó and Vinaròs.
The capital Valencia is the 3rd biggest city in Spain. One-third of the province population lives in the capital. The province of Valencia, like the rest of the region, is mountainous in the interior, particularly in the north and west. The plain of Valencia, is the second largest coastal plain of the country. In 1843 it was cited as "one of the most fertile and best cultivated spots in Europe".
The Costa Blanca (meaning "White Coast") stretches out over 200 kilometres of Mediterranean coastline. It extends from the town of Dénia in the north to Pilar de la Horadada in the south. Costa Blanca has a well-developed tourism industry and is a popular destination for many tourists.
The Costa del Azahar (meaning: "Orange blossom coast") is the name of the coast that stretches out over the provinces of Castellón, Valencia and part of the province of Alicante. Famous cities are Peñíscola, Benicàssim, Castellón de la Plana, Sagunt, Valencia, Cullera, Gandia, Dénia and Xàbia (Javea). The sea on the coast is also called the Gulf of Valencia.
The beaches on the coast of the province of Valencia are mostly golden and topped with fine sand, and its waters are calm, without large currents. The best known beach is the urban beach of La Malvarrosa, on the promenade of the city of Valencia.