chieftaincy

noun

1. The position or period of rule of a chief.

   “At first Matenge had hated his brother because he felt the chieftaincy should be his, and this hatred drove him to overreach himself until he was discovered in a plot to assassinate his brother.”

   “The two principles that governed my life at Mqhekezweni were chieftaincy and the Church.”

2. The area or population ruled by a chief.

   “And it does not help that the lowermost part of Broadway was originally laid out as a footpath by the people of the Wickquasgeck chieftaincy, long before Europeans arrived.”