 Seniorate Province

Seniorate Province, also known as the Senioral Province (), Duchy of Kraków ("Księstwo krakowskie"), Duchy of Cracow, Principality of Cracow, Principality of Kraków, was the superior among the five provinces established in 1138 according to the Testament of Bolesław III Wrymouth.It existed during the period of fragmentation of Poland until 1320, centered at Kraków in Lesser Poland.