Berenguer de Vilallonga was a notable figure in medieval Catalonia, primarily recognized for his role as a nobleman and military leader. He was part of the Catalan nobility during the 12th century and is often associated with the Reconquista, a series of campaigns aimed at reclaiming territory from Muslim rule in the Iberian Peninsula. His contributions to the region included military engagements and the establishment of local governance. Berenguer's legacy is reflected in the historical records of Catalonia, where he is remembered for his influence on the political and social landscape of the time.