paragraph_text: Mearns Castle is a 15th-century tower house in Newton Mearns, East Renfrewshire, to the south of Glasgow, Scotland. It is a Category A listed building. The castle has been restored and is now part of the Maxwell Mearns Castle Church. It also gives its name to nearby Mearns Castle High School.

paragraph_text: Qahqaheh Castle () is a castle located 85 kilometres away from Meshginshahr in Ardabil province, Iran. This castle was built in the mountains and was used as a jail for anti-kingdom politicians during the Safavid dynasty. Ismail II, the third king of the Safavid dynasty was the most famous person who was imprisoned in Qahqaheh Castle.

paragraph_text: Lemberk Castle is a castle located in the Lusatian Mountains of the Czech Republic, near the town of Jablonné v Podještědí.

paragraph_text: Wrangle Hill is an unincorporated community in New Castle County, Delaware, United States. Wrangle Hill is located at the intersection of U.S. Route 13, Delaware Route 7, and Delaware Route 72 west of Delaware City. The community was named after a feud between two early families.

paragraph_text: Sherwana Castle, also known as Shirwanah Castle, is located in Kalar, Kurdistan, Iraq. Sherwana Castle is the ancestral home to the Jaff family.

paragraph_text: The Windsor Beauties are a famous collection of paintings by Sir Peter Lely, painted in the early to mid-1660s, that depict ladies of the court of King Charles II, some of whom were his mistresses. The name stems from the original location of the collection, which was housed at Windsor Castle. They can now be seen at Hampton Court Palace.

paragraph_text: Castlelost Castle (Irish: "Caisleán Loiste") is a ruined castle located just north of Rochfortbridge in County Westmeath, Ireland. The castle itself dates back to the Norman invasion of Ireland. The only visible features still on the site are the ruined tower house as well as a small mote.

paragraph_text: Red Lion is an unincorporated community in New Castle County, Delaware, United States. Red Lion is located at the intersection of Delaware Route 7 and Delaware Route 71 northwest of Delaware City and southwest of New Castle.

paragraph_text: Bäckaskog Castle () in Kristianstad Municipality, Scania, southern Sweden, was originally a monastery built in the 13th century. It was transformed into a castle in the 16th century. The castle is located on the isthmus between Ivö Lake (Scania's largest lake) and Oppmanna Lake.

paragraph_text: Dzików Castle in Tarnobrzeg, or Tarnowski Family Castle in Dzików () is a 15th-century (or perhaps a 14th-century) castle with the park complex and gardens, located in Tarnobrzeg, Poland.

paragraph_text: The Head Office of the Academy and forty research institutes are located in Prague, the remaining institutes being situated throughout the country.

paragraph_text: Aarburg Castle () is a castle in the municipality of Aarburg in the canton of Aargau in Switzerland. It is located high above the town Aarburg on a steep, rocky hillside. The castle was built around a medieval castle, which controlled the narrow point on the Aare river and served as the seat of Aarburg Vogt. It is classified as a Swiss heritage site of national significance. Today it houses the "Kantonale Jugendheim", for holding and rehabilitating juvenile offenders.

paragraph_text: MacLellan's Castle in the town of Kirkcudbright, in Galloway, Scotland, was built in the late 16th century. It stands in the centre of Kirkcudbright, on the south side of the River Dee which flows into the Solway Firth. The L-plan castle was the residence of the MacLellan family from whom it derived its name. The family sold the castle in 1752, and from 1782 to 1912 it was held by the Earls of Selkirk. Today, the site is curated by Historic Scotland.

paragraph_text: The Antique Furnishings & Wooden Sculpture Museum of Milan is located on the first floor of the Sforza Castle ducal courtyard and it is part of the Sforza Castle's Civic Museum complex.

paragraph_text: Eijsden Castle (Dutch:"Kasteel Eijsden") is a moated manor house with several farm buildings, a gatehouse and castle park, in Eijsden-Margraten, Limburg, Netherlands. The current castle was built in 1637 and is located next to the river Maas.

paragraph_text: Prague Castle General information Architectural style Baroque and Mannerism Location 119 08 Prague 1, Czech Republic Current tenants Miloš Zeman, President of the Czech Republic and the First Lady Construction started 870; 1148 years ago (870) Completed 1929; 89 years ago (1929) Design and construction Architect Matthias of Arras and Peter Parler Website www.hrad.cz

paragraph_text: Viborg and Nyslott County (, ) was a county of the Swedish Empire from 1634 to 1721. The county was named after the castle towns of Viborg () and Nyslott (, literally "New Castle"), today located in the towns of Vyborg in Russia and Savonlinna in Finland.

paragraph_text: Rēzekne Castle ruins are located in the centre of Rēzekne, Latvia, a city in the centre of Latgale. The castle served as a base of the local Livonian order landlords until the 16th century and also as the main military support base for battles against Russians and Lithuanians. Today, fragments of the stone walls and the foundation can be seen on the ancient castle hill.

paragraph_text: The Peqin Castle () is a castle in Peqin, Albania. In the Roman times the city was known by the name of Clodiana, an Illyrian-inhabited territory. The foundations of the castle are thought to date from the Roman period, the time of the construction of the Via Egnatia. Its walls at one point had a height of around . The castle was later rebuilt and expanded during the Turkish occupation of Albania, at which time it was passed into the control of the Sipahi (lord) of the local fief, who added a palace and a harem. The last resident of the castle was Demir Pasha.

paragraph_text: The Château de Falaise is a castle located in the south of the commune of Falaise ("cliff" in French) in the "département" of Calvados, in the region of Normandy, France. William the Conqueror, the son of Duke Robert of Normandy, was born at an earlier castle on the same site in about 1028. William went on to conquer England and become king, and possession of the castle descended through his heirs until the 13th century when it was captured by King Philip II of France.

Question: What is the name of the castle located in the city where most of the Czech Academy of Sciences' institutions are found?
Answer: Prague Castle