- Cadiz City is a city in the province of Negros Occidental, Philippines. It is located on the northern coast of the island of Negros and is known for its vast sugar plantations and beautiful beaches. Cadiz City is one of the major commercial centers in the province and is also popular among tourists for its natural attractions, such as Punta Salong Beach and Lakawon Island. The city is also famous for its annual Pasalamat Festival, a thanksgiving celebration held every December.