Hajdú refers to a historical group of people in Hungary, known for their role as warriors and herdsmen. They emerged in the 15th century and were often employed as mercenaries. The Hajdú were recognized for their bravery and skills in battle, contributing to the defense of the region against various invaders. The term "Hajdú" is also associated with the Hajdúság region in eastern Hungary, which is known for its rich cultural heritage and traditions. This area is famous for its unique folk customs, traditional cuisine, and vibrant festivals, reflecting the historical significance of the Hajdú people in Hungarian history.