Title: Geography of Saint Lucia
Content:  Saint Lucia is in the Caribbean, an island between the Caribbean Sea and North Atlantic Ocean, north of Saint Vincent and north-west of Barbados. The capital city of Saint Lucia is Castries, where about one third of the population lives. Major towns include Gros Islet, Soufrière and Vieux Fort.
Title: Tourism in Saint Lucia
Content: Coordinates: ; Population: 181,889 (July 2010 est.) / World Rank: 180 ; Capital City: Castries, Castries District, in northern Saint Lucia ; Largest City: Castries, population 53,000 (2000 est.) Saint Lucia has an area of 239 square miles (620 sq. km.). It is located in the eastern Caribbean Sea, in the windward islands.  There are two international airports in Saint Lucia.
Title: Index of Saint Lucia–related articles
Content: Capital of Saint Lucia: Castries ; Caribbean ; Caribbean Community (CARICOM) ; Caribbean Sea ; Castries – Capital of Saint Lucia ; Categories: ; commons:Category:Saint Lucia ; Cities of Saint Lucia ; Climate of Saint Lucia ; Coat of arms of Saint Lucia ; Commonwealth of Nations ; Commonwealth realm of Saint Lucia ; Communications in Saint Lucia ; Companies of Saint Lucia ; Constitution of Saint Lucia ; Culture of Saint Lucia commons:Category:Saint Lucia ; Cities of Saint Lucia ; Climate of Saint Lucia ; Coat of arms of Saint Lucia ; Commonwealth of Nations ; Commonwealth realm of Saint Lucia ; Communications in Saint Lucia ; Companies of Saint Lucia ; Constitution of Saint Lucia ; Culture of Saint Lucia commons:Category:Saint Lucia ; Cities of Saint Lucia ; Climate of Saint Lucia ; Coat of arms of Saint Lucia ; Commonwealth of Nations ; Commonwealth realm of Saint Lucia ; Communications in Saint Lucia ; Companies of Saint Lucia ; Constitution of Saint Lucia ; Culture of Saint Lucia 
Title: Outline of Saint Lucia
Content: Form of government: ; Capital of Saint Lucia: Castries ; Elections in Saint Lucia ; Political parties in Saint Lucia Politics of Saint Lucia
Title: List of companies of Saint Lucia
Content:   Saint Lucia is a sovereign island country in the eastern Caribbean Sea on the boundary with the Atlantic Ocean. Part of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 617 km2 (238.23 sq mi) and reported a population of 165,595 in the 2010 census. Its capital is Castries. Saint Lucia has been able to attract foreign business and investment, especially in its offshore banking and tourism industries, which is Saint Lucia's main source of revenue. The manufacturing sector is the most diverse in the Eastern Caribbean area, and the government is trying to revitalise the banana industry. Despite negative growth in 2011, economic fundamentals remain solid, and GDP growth should recover in the future.
Title: Saint Lucia
Content:  The volcanic island of Saint Lucia is more mountainous than most Caribbean islands, with the highest point being Mount Gimie, at 950 m above sea level. Two other mountains, the Pitons, form the island's most famous landmark. They are located between Soufrière and Choiseul on the western side of the island. Forests cover about 77% of the land area. There are a number of small islands off the coast, the largest of which are the Maria Islands in the south-east. The capital city of Saint Lucia is Castries (population 60,263) where 32.4% of the population lives. Other major towns include Gros Islet, Soufrière, and Vieux Fort. The population tends to be concentrated around the coast, with the interior more sparsely populated, due to the presence of dense forests.
Title: Transport in Saint Lucia
Content:  Saint Lucia is served by two airports. Larger jets arrive at Hewanorra International Airport located in Vieux Fort, 40 miles South of Castries (which is the island's capital and largest city). Smaller inter-island planes land at George F.L. Charles Airport, just outside of Castries. Many major airlines serve Saint Lucia. Several smaller airlines fly to George F.L. Charles via neighbouring islands.
Title: Saint Lucia
Content:  Saint Lucia (, ; Sainte-Lucie) is an island country in the West Indies in the eastern Caribbean Sea on the boundary with the Atlantic Ocean. The island was previously called Iyonola, the name given to the island by the native Arawaks, and later Hewanorra, the name given by the native Caribs, two separate Amerindian peoples. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 617 km2 and reported a population of 165,595 in the 2010 census. Its capital is Castries. Soufrière was colonized by 
Title: Castries
Content:  Castries is the capital and largest city of Saint Lucia, an island country in the Caribbean. The urban area had the population of approximately 20,000, while the eponymous district had a population of 70,000 on 22 May 2013. The city stretches over an area of 80 km2. Castries is in a flood plain and is built on reclaimed land. It houses the seat of government and the head offices of many foreign and local businesses. The city is laid out in a grid pattern. Its sheltered harbour receives cargo vessels, ferry boats, and cruise ships. It houses duty-free shopping facilities such as Point Seraphine and La Place Carenage. The city is well served by a bus system and taxi service. St Lucia's main post office is in Castries. Castries is the birthplace of Arthur Lewis, winner of the 1979 Nobel Memorial Prize in Economics, as well as of Derek Walcott, winner of the 1992 Nobel Prize for Literature.
Title: Saint Lucia
Content:  Saint Lucia is a Commonwealth realm. Elizabeth II is Queen of Saint Lucia, represented on the island by a governor-general. The prime minister is normally the head of the party commanding the support of the majority of the members of the House of Assembly, which has 17 seats. The other chamber of Parliament, the Senate, has eleven appointed members. Saint Lucia is a two-party parliamentary democracy. Three political parties participated in the 2021 general election. The Labour Party, led by Philip J. Pierre, won thirteen of the seventeen seats.

Question: What is the capital of Saint Lucia?
Answer: Castries.