The Cairo Trilogy is a series of three interconnected novels by Egyptian author Naguib Mahfouz, published between 1956 and 1957, that follows the lives of a family in Cairo during the early 20th century. It delves into themes of social change, identity, and the impact of historical events on personal lives, illustrating the complexities of life in a rapidly modernizing society. The trilogy is significant in postcolonial literature as it reflects the struggles and transformations experienced by individuals in the face of colonial legacies and societal shifts.