Aïn Oussera or Aïn Oussara () is a city in

Djelfa Province Djelfa () is a province (''wilaya'') of Algeria. Its capital is Djelfa. It was first established by the administrative reorganization of 1974, and is home to over 1,595,794 inhabitants. Localities in this province include Tadmit, El Khemis, a ...

Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...

, with an estimated (2005) population of 134,174. It is the district seat of the Aïn Oussera

District A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or county, counties, several municipality, municip ...

. This city, located 200 km south of the capital Algiers, is crossed by the Trans-Saharan Highway main road number 1. The road that runs through the whole of Algeria from north to south over 2000 km, connects Algiers on its southern border with Mali near Tamanrasset. Ain Oussera, has experienced, since 1990, rapid

population growth Population growth is the increase in the number of people in a population or dispersed group. The World population, global population has grown from 1 billion in 1800 to 8.2 billion in 2025. Actual global human population growth amounts to aroun ...

due to its proximity to the 15 MW Es Salam nuclear reactor. Aïn Oussera is on the crossroads of the N1 ( Trans-Saharan) and N40B highways. The nearest airport is the

Algerian Air Force The Algerian Air Force (, ) is the aerial arm of the Algerian People's National Army. History The Algerian Air Force was created to support the fight of the People's National Army against the French occupying forces. It came as part of the ...

's Aïn Oussera airfield (DAAQ).

Geography

Climate

Aïn Oussera has a

cold semi-arid climate Cold is the presence of low temperature, especially in the atmosphere. In common usage, cold is often a subjective perception. A lower bound to temperature is absolute zero, defined as 0.00K on the Kelvin scale, an absolute thermodynamic ...

(

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

''BSk''), while it closely borders

cold desert climate The desert climate or arid climate (in the Köppen climate classification ''BWh'' and ''BWk'') is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in desert ...

(''BWk'').

References

Populated places in Djelfa Province Cities in Algeria {{Djelfa-geo-stub