What does «serranía» mean in Spanish?

An area of land crossed by mountains and sierras; a mountainous region or site. The inhabitant of these areas is known as serrano.

Examples of use in Spanish: "la flora de las formaciones rocosas de la serranía de La Lindosa".

"rutas y paseos por la serranía de Cuenca".

"se presentan lluvias estacionales en la serranía de la región Piura".
Name of several regions such as Serranía de Guadalajara, Serranía de Cuenca, Serranía de Ronda, etc.