Algeria, whose full name is People's Democratic Republic of Algeria, is located in northwest Africa. It borders the Mediterranean Sea in the north, Tunisia and Libya in the east, Niger, Mali and Mauritania in the south, Morocco and Western Sahara in the west. The north-south line is about 2000 kilometers long, the widest from east to west is about 1800 kilometers, and the coastline is about 1200 kilometers long. The official language is Algerian Arabic, and French is also widely used. Islam is the state religion. The capital, Algiers.

Algeria's economy ranks fourth in Africa, second only to South Africa, Nigeria and Egypt. Hydrocarbon industry (collectively referred to as oil and natural gas) is the pillar of Albania's national economy.

Algeria has the fifth largest natural gas reserves and the second largest natural gas exporter in the world. Algeria's oil reserves rank 14 in the world.