The Klingon Empire is a prominent interstellar state in the Star Trek universe, known for its warrior culture and honor-bound society. It is home to the Klingon species, who are characterized by their distinctive forehead ridges and a strong sense of pride in their martial traditions. The Empire plays a significant role in the Star Trek narrative, often depicted as both an ally and adversary to the United Federation of Planets. Its complex political structure and rich history contribute to the depth of the Star Trek lore, making the Klingons one of the most iconic species in science fiction.