sentences:  The mountain range known as Desert de les Palmes rises inland north of the town.According to the 2018 census, Castellón has a population of 170,888 inhabitants (called "castellonencs" in Valencian), ranking as the fourth most populated city in the Valencian Community (after Valencia, Alicante and Elche).The Prime Meridian, or Greenwich Meridian, intersects the 40th parallel at Castellón de la Plana and is commemorated with a monolith in Meridian Park (Parque del Meridiano) located at the exact point where this occurs.