Algeria , officially the People's Democratic Republic of Algeria, is a country in North Africa. In terms of land area, it is the largest country on the Mediterranean Sea, it is the eleventh-largest country in the world
Algeria is bordered by Tunisia in the northeast, Libya in the east, Niger in the southeast, Mali and Mauritania in the southwest, a few kilometers of the Moroccan-controlled Western Sahara in the southwest, Morocco in the west and northwest, and the Mediterranean Sea in the north. Its size is almost 2,400,000 km2 with an population near to 35,000,000. The capital of Algeria is Algiers.
Algeria is a member of the United Nations, African Union, OPEC. It also contributed towards the creation of the Maghreb Union
There are a total of 3,973 km (2,469 mi) of railways: 2,888 km (1,795 mi) is standard gauge, with 283 km (176 mi) of that being electrified and 215 km (134 mi) of that being double tracked. There are also a total of 1,085 km (674 mi) of 1,055 mm (3’61/2”) gauge track.
There are 71,656 kilometers of paved roads including 640 kilometers of expressways and 32,344 kilometers of unpaved roads for a total road system of 104,000 kilometers.
Algeria has two routes in the Trans-African Highway network, including the Trans-Sahara Highway, soon to be complete as a paved road running from north to south through the country. The country has also embarked (as of 2006) in the construction of a new east west highway.[ An extensive air service used an estimated 137 airports and airstrips in 2004. As of 2005, a total of 52 had paved runways, and there was one heliport. The main international airport, Houari Boumedienne Airport, is about 20 km (12 mi) from Algiers. Constantine, Annaba, Tilimsen, and Oran have smaller modern airports that can accommodate jet aircraft. Air Algérie, the national airline, provides international service. In 2003, a total of about 3.293 million passengers were carried on domestic and international flights.