Hradčany (Czech pronunciation: [ˈɦratʃanɪ] ; German: Hradschin), is the district of the city of Prague, Czech Republic surrounding Prague Castle.
The castle is one of the biggest in the world at about 570 metres (1,870 feet) in length and an average of about 130 metres (430 feet) wide. Its history stretches back to the 9th century. St Vitus Cathedral is located in the castle area.
Lower Vítkovice (Czech: Dolní oblast Vítkovice) is a national site of industrial heritage located in the Vítkovice district of Ostrava in the Czech Republic. It includes an extensive industrial area Vítkovice ironworks with a unique collection of industrial architecture. A set of three successive parts - coal mine, coke ovens and blast furnace operations - also called Ostravian Hradčany, after Hradčany, the Castle District of Prague.The area is registered in the list of European cultural heritage, and was placed on the Czech Republic's list of tentative UNESCO World Heritage Sites in 2001 under the name The Industrial Complexes at Ostrava.