Loket Castle (Czech: Hrad Loket) is a Gothic style castle located about 12 km from Karlovy Vary on a massive rock in the town of Loket, Karlovarský kraj, Czech Republic. It is surrounded on three sides by the Ohře river.
Helfstyn Castle, Czech Republic, 1306. located 15 km east of Přerov, in the Olomouc region in Central Moravia, Czech Republic. The ruins of the castle are perched on a high wooden knoll above the narrowest part of the Moravian Gate and above the left bank of the river Bečva. The complex is 187 meters long and up to 152 meters wide. It is one of the largest castles in terms of area in the Czech Republic.