Question

In medieval times, what was the name for a huge piece of land including a castle, a church, the village, farmlands, and people called

Answer 1

A fief. Fiefs were managed by Lords, who were vassals of the King. The Lords had their own vassals, Knights, who were indirectly (through the Lord) vassals of the King also. The land that the Lords managed and the Knights defended was called the fief.