What is origin of last name guzman?

The surname Guzman is of Spanish origin and is derived from the place name Guzmán in the province of Burgos, in Northern Spain. The name Guzmán is believed to have come from a Basque word "gazuma," meaning "summit," or "high place." The founder of the Guzmán family was Ruy Díaz de Guzmán, who served under King Ferdinand III during the Reconquista in the 13th century. Over time, the Guzmán family became one of the most powerful and influential noble families in Spain, with branches that expanded to different parts of the world. Today, the name Guzmán is most commonly found in Spanish-speaking countries, particularly in Mexico and other Central American countries.