Carabaña (Spanish pronunciation: [kaɾaˈβaɲa]) is a small municipality in the autonomous community of Madrid in central Spain.

It is located 50 km from Madrid close to the Autovía A-3, the main highway to Valencia, on the banks of the Tajuña River at a height of 625 m above sea level.

Its origins date from the pre-Roman epoch of Celtiberians, who knew this town as Caraca.

The natural spring (4 km from the town at the location known as Cabeza Gorda) has been known and used locally since the times of the Ancient Romans.

At the end of the 19th century, Ruperto García Chávarri had it analysed and scientifically confirmed its laxative and curative properties in relation to the digestive system, intestines, liver, and skin, due to its high mineral salt content.