voivanship
Voivanship refers to the office, jurisdiction, and tenure of a voivode, a high-ranking administrator and military commander in certain Slavic states. The term is chiefly associated with the medieval and early modern Polish state and, to some extent, the Polish-Lithuanian Commonwealth, where a voivode governed a voivodeship as the king's chief representative in the province. The word derives from Slavic roots meaning "war leader" (voj- "war" and vod- "to lead").
In practice, a voivode wielded substantial civil and military authority within a voivodeship, presided over provincial
In contemporary Poland, the term survives in the administrative structure but with a changed meaning. A voivodeship