With its 17 autonomous regions, the Kingdom of Spain is a member of the European Union. The countries that border the nation are Portugal, Andorra, and France. The area of the nation is 505,990 square kilometers. It is now the fourth-largest nation in Europe as a result. The Pyrenees mountains are to the north of Spain, and the country is primarily made up of steep hills encircling flat plains. In general, the interior has a temperate climate, whereas the coast experiences a moderate one. There are more than 47.1 million people living there. With 3.2 million residents, Madrid serves as both the nation's capital and its most populated metropolis, Barcelona, Valencia, and Seville came next. With an average of 61 million passengers annually, Adolfo Suarez Madrid Barajas Airport (MAD) is the biggest airport. Access to all regions of the world is available at MAD airport, which is the sixth busiest airport in Europe. It bears the name of Adolfo Suarez, the first prime minister of Spain. Roman and Catholic heritage are deeply ingrained in Spanish culture. This also explains why Roman Catholicism is the predominant religion. The nation's official languages are Aranese, Spanish, Catalan, Galician, and Basque.Civil law is the legal system. A parliamentary constitutional monarchy is the form of government. President Pedro Sanchez Perez Castejon is the head of administration, and King Felipe VI is the head of state at the moment. The Euro (EUR), which is the official currency of the nation, is currently worth 0.94 USD. With an open economy, the nation boasts the seventh largest economy in Europe, with a GDP of almost $2 trillion. The per capita income of its people is $38,143. Services and the industrial sector account for the majority of the GDP. Textiles, metals, chemicals, ships, cars, grain, vegetables, and wine are among its principal export commodities. Another huge contributor to the GDP is tourism. There are many different urban, cultural, and outdoor tourist attractions in Spain. It draws tourists both in the summer and winter because of its stunning old cities and rich cultural heritage. 48 locations in Spain are recognized as UNESCO World Heritage Sites. Some of the major destinations include the Alhambra, Generalife Gardens, the Sagrada Familia, the Guggenheim Museum, the Seville Cathedral and the Costa del Sol. The nation has a total of approximately 75 million tourists visiting every year. The majority of tourists are originating from the United Kingdom, Germany, France and Italy.