This article is about the region in what is now Southern Romania. There are other regions called Wallachia, such as the Moravian Wallachia and the Thessaly Wallachia; See: Vlachs#Wallachia. Wallachia (also spelled Walachia; or "The Romanian Land") is a historical and geographical region of Romania. It is situated north of the Danube and south of the Southern Carpathians. Wallachia is sometimes referred to as Muntenia, through identification with the larger of its two traditional sections; the smaller being Oltenia. Wallachia was founded as a principality in the early 14th century by Basarab I, after a rebellion against Charles I of Hungary. In 1415, Wallachia accepted the suzerainty of the Ottoman Empire; this lasted until the 19th century, albeit with brief periods of Russian occupation between 1768 and 1854. In 1862, Wallachia united with Moldavia (the other Danubian Principality), to form the state o