Salinas de Hidalgo, also known as Salinas del Peñón Blanco, is a small town situated in the northwestern region of the Mexican state of San Luis Potosí. The settlement serves as the administrative seat of the municipality of Salinas.
The town is characterized by its location within the rural landscape of the state and its role as a local municipal center. It remains a recognized geographical point within the northern territory of San Luis Potosí.