Definition: Mauritania is a country in Africa, located on the North Atlantic Ocean between the Mediterranean Sea to the west and the Sahel Region to the east. The country's capital is Nouakchott, which is also its largest city. Mauritania borders four countries: Senegal to the east, Guinea to the south, Algeria to the southeast, and Mauritius to the west. It is bordered by the Atlantic Ocean on three sides (the Atlantic Ocean bordering the Moroccan Sahara) and a narrow band of land that forms a maritime arc, stretching from the northwest to the southwest. Mauritania's capital is Nouakchott, which has been the country's capital since the 1960s. It was previously known as Comoros. In the early 20th century, Mauritania became a republic after gaining independence from France. The country gained independence in 1960 and officially declared its independence on October 30, 1964. Mauritania is known for its rich natural resources such as oil, gas, and minerals. It also has a diverse economy with a focus on agriculture, tourism, and services. The country is home to many cultural landmarks including the Mauritania National Museum, the Saint George's Cathedral, and the Moukhamma Fort.