|o Mayor||José Luis Pueyo Belio|
|o Total||95.9 km2 (37.0 sq mi)|
|Elevation||1,184 m (3,885 ft)|
|o Density||8.2/km2 (21/sq mi)|
|Time zone||UTC+1 (CET)|
|o Summer (DST)||UTC+2 (CEST)|
During the late 19th century and early 20th century, it was a successful spa town, famous for its pure mountain waters, that supposedly cured from liver diseases and herpes. Its belle-epoque spa buildings are well kept and still in use.