MUKACHEVO CASTLE : The stronghold was a residence of mighty Koriatovych family for almost 200 years During the reign of prince Felix Koriatovych the fortress became one of the most impregnable in the whole country. The prince and his family lived in the highest part of the castle, there were really very rich interiors there. The stronghold  has a good armoury: 164 cannons of different sizes and 60 barrels of gun-powder. The castle was surrounded by deep ditch. The inner bank of the ditch was surrounded by the high wooden fence (or wall ). In Ukrainian this sort of fence is called "palanok", that's why this castle is known as Palanok