Tunisian geography is characterized by a diverse landscape that includes coastal plains, mountains, and deserts. The country is located in North Africa, bordered by the Mediterranean Sea to the north and east, and shares land borders with Algeria to the west and Libya to the southeast. The northern region features the Tell Mountains, while the south transitions into the vast Sahara Desert. The climate in Tunisia varies from Mediterranean in the north to arid in the south. The country has several important rivers, including the Medjerda, which is the longest river in Tunisia. Additionally, the capital city, Tunis, is situated near the coast, making it a key economic and cultural center.