Creusa is a significant character in Vergil's Aeneid, particularly known as the wife of Aeneas and a symbol of lost love and the tragic consequences of war. Her story unfolds during the fall of Troy, where she embodies the emotional and familial turmoil that Aeneas faces as he embarks on his journey to found a new home in Italy. Her appearance in Book 4 highlights themes of longing, sacrifice, and the responsibilities that come with destiny.