Oltenia (, also called Lesser Wallachia in antiquated versions, with the alternate Latin names Wallachia Minor, Wallachia Alutana, Wallachia Caesarea between 1718 and 1739) is a historical province and geographical region of Romania in western Wallachia. It is situated between the Danube, the Southern Carpathians and the Olt river.

Oltenia (, also called Lesser Wallachia in antiquated versions, with the alternate Latin names Wallachia Minor, Wallachia Alutana, Wallachia Caesarea between 1718 and 1739) is a historical province and geographical region of Romania in western Wallachia. It is situated between the Danube, the Southern Carpathians and the Olt river.