Portugal is a country located in south-western Europe, on the Atlantic coast. The country is known for its beautiful beaches, historical and cultural heritage, gastronomy and wines. With a surface area of 92,212 km² and a population of 10.3 million, Portugal is a relatively small country, but with a wide variety of landscapes and tourist attractions. Portugal has many tourist attractions, including historic sites, museums, nature parks and monuments. The most popular attractions are the Hieronymites Monastery, the Belem Tower, St. George's Castle, the April 25th Bridge, the Lisbon Oceanarium, the Ria Formosa Natural Park, the Benagil Caves, and the vineyards of the Douro region.