The Treaty of Tudilén was signed between Alfonso VII of León and Castile and Ramon Berenguer IV, Count of Barcelona

Ramon Berenguer IV, Count of Barcelona

Ramon Berenguer IV , sometimes called the Holy, was the Count of Barcelona who effected the union between the Kingdom of Aragon and the Principality of Catalonia into the Crown of Aragon....

 in 1151 at Tudilén, near Aguas Caldas in Navarre

Navarre

Navarre , officially the Chartered Community of Navarre is an autonomous community in northern Spain, bordering the Basque Country, La Rioja, and Aragon in Spain and Aquitaine in France...

, modern Baños de Fitero, then just Fitero. The pact recognised the Aragonese conquests south of the Júcar

Júcar

The Júcar or Xúquer is a river on the Iberian Peninsula of Spain. The river runs for approximately 509 km from its source at Ojuelos de Valdeminguete, on the eastern flank of the Montes Universales, Sistema Ibérico...

 and the right to expand in and annex the kingdom of Murcia

Murcia

-History:It is widely believed that Murcia's name is derived from the Latin words of Myrtea or Murtea, meaning land of Myrtle , although it may also be a derivation of the word Murtia, which would mean Murtius Village...

, save the castles of Lorca

Lorca

Lorca is a municipality and town in the autonomous community of Murcia in southeastern Spain, 36 miles southwest of the city of Murcia. It had a population of 92,694 in 2010, up from the 2001 census total of 77,477. Lorca is the municipality with the second-largest surface area in Spain with...

 and Vera

Vera, Spain

-External links: - Sistema de Información Multiterritorial de Andalucía - Diputación Provincial de Almería - Vera town information....

. The treaty was superseded by the Treaty of Cazola in 1179.