Tunisia, officially the Republic of Tunisia, is the northernmost country in Africa, situated on the Mediterranean coast. It shares borders with Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Covering an area of approximately 163,610 square kilometers, it has a population of about 12 million people as of 2023. The capital and largest city is Tunis. The official language is Arabic, with French also widely used. Tunisia operates as a unitary semi-presidential representative democratic republic. The economy is diverse, with key sectors including agriculture, mining, manufacturing, petroleum, and tourism. Tunisia is known for its rich history, being home to ancient Carthage, and its well-preserved Roman archaeological sites. The country is a member of international organizations such as the United Nations, the African Union, the Arab League, and the Organisation of Islamic Cooperation.