Lords of the West is the first expansion for Age of Empires II: Definitive Edition, offering players two new civilizations: the Burgundians and the Sicilians. This expansion introduces three new campaigns centered on historical figures and events from Western Europe and the Mediterranean, enhancing the game's strategic depth. Players can explore new units and technologies, creating a broader range of tactical options and gameplay styles.

Launched on January 26, 2021, this expansion not only adds content but also encourages a blend of military, diplomatic, economic, and cultural strategies. The campaigns focus on significant historical narratives, including those of Edward Longshanks and the Dukes of Burgundy, allowing players to immerse themselves in the rich tapestry of history while competing for dominance.