The person that controlled the medieval castles were the kings and queens. But the king and queen didn't like living in the castle for it was to crowded, so they would put the baron in charge while they were in their manor.
monkeys
Medieval castles were needed for safety because they protected people from invaders and other dangers. Castles were also built to defend from danger. They were equipped with high walls, murder holes, cover for soldiers, and more.
Medieval castles.
So that they could be protected during times of war
There is nothing different between todays castles and medieval time castles. Today's castles were built in medieval times.
The welsh medieval castles were big and gray.
Kings reigned from castles, presiding over disputes among their subjects. They also protected both king and people during times of war in a kingdom.
Medieval times
in the late medieval period many medieval castles did have a primitive type of cannon.
Castles were invented in medieval times.
There are no genuine medieval castles in the USA, because the Americas were not discovered until after the medieval period had ended. There are the "fairytale" Disney castles and some modern attempts at reconstructing medieval castles, but no genuine ones.
Motte and bailey castles, Stone keep castles and Concentric castles
Who is most important in medieval history - kings and emperors. Where do they live - in castles.