At first, there was a wooden fortification on the site of the Khust castle. Later, on the orders of the Hungarian kings, the fortress was rebuilt and made of stone. This reconstruction took a century from 1090 to 1191. Today, the remains of the fortress are barely visible through the trees. In the middle ages, Khust castle was known as an impregnable fortress.

Kankov fortress was first mentioned in the Hungarian chronicle "deeds of the Hungarians". In this historical source, it is claimed that in the IX century there was a Slavic settlement on the site of the fortress, and two hundred years later the Hungarians built fortifications in its place to protect the border of the Kingdom and the trade "salt road". Even when the castle was wooden, it was destroyed by the invasion of Batu Khan in 1240. In 1262, the fortress was rebuilt. This was the center of the Ugocanski zhupa, which was the smallest by area in the Kingdom of Hungary.

Sredne is famous for the remains of a 13th-century Templar castle. Serednyansky castle is considered the easternmost Outpost of this powerful medieval order and almost the only castle of the silver land in the Romanesque style. The Templars, who were not only soldiers and monks, but also enterprising businessmen, were brought to Transcarpathia by the white gold of the middle ages-salt, which is very rich in these lands. In addition to business, the Templars were engaged in providing medical care to the local population. They even knew how to perform surgical operations.

For the first time, defense structures appeared in the Transcarpathian region in the bronze age. Then they were settlements surrounded by earthen ramparts and ditches (Ardanivske, Stremtura (Irshava), Galish-Lovachka (Mukachevo), Borzhavskoe (vary). The best type of defense structures of the middle ages in Transcarpathia are castles of the XI-XVIII centuries. Researchers distinguish two types of fortresses. The first was intended for overseeing the surrounding lands and receiving tribute from them, as well as for constant attacks. It's Mukachevo, Kwasowski, Bronicki, Nevitsky locks. The second type – the castle-guard of subordinated territories: Uzhgorod, Vynohradiv, Royal, Chynadievo, Serednyansky.

Uzhgorod castle is about 1000 years old. At first, the fortress was made of wood. And the walls around were built in 1653-1658, just during the Polish invasion