It is bordered by the Aragonese comarcas of Andorra-Sierra de Arcos, Cuencas Mineras, Comunidad de Teruel and Bajo Aragón, in the north and in the west and Gúdar-Javalambre in the south, as well as with the Castellón Province (Ports (comarca), Alt Maestrat Alcalatén) in the east.

Some municipal terms of this comarca are part of the historical region of Lower Aragon.

This comarca has a dry, continental climate, with extreme seasonal changes, and even daily temperatures.

The main range in this comarca is the Sierra de Gúdar located roughly in the center.

The summits of the highest mountains, like Peñarroya (2,019), Alto del Pobo (1,770 m) and Tarayuela (1,738 m) are frequently covered with snow in the winter.