The Voivode of Vilnius was a high-ranking official in the historical region of Lithuania, serving as the governor of the city of Vilnius and its surrounding areas. This position was part of the larger administrative structure of the Grand Duchy of Lithuania, which existed from the 13th century until the late 18th century. The Voivode was responsible for local governance, military leadership, and judicial matters. The title of Voivode is derived from the Slavic word for "war leader" and was used in various regions of Eastern Europe. The Voivode of Vilnius played a crucial role in the political and military affairs of the Grand Duchy, especially during times of conflict and territorial expansion.