瓦拉几亚（罗马尼亚文：Ţara Românească）是一个在中世纪时期位于欧洲东南部巴尔干半岛的历史地区，位置大约在今日的罗马尼亚东南部。

位于巴尔干半岛东北，摩尔多瓦之南，东濒黑海，介于喀尔巴阡山和多瑙河之间。

Wallachia or Walachia (Romanian:Țara Românească pronounced [ˈt͡sara romɨˈne̯askə] or Valahia pronounced [vaˈlahi.a]; archaic: Țeara Rumânească, Cyrillic: Цѣра Румѫнѣскъ / Цѣра Рȣмѫнѣскъ / Землѧ Ѹгровлахїиска, Old East Slavic:Земля Угровлахийская, Угровлашская Земля, Влашская Земля, Власское, Latin:Transalpina, Valachia) is a historical and geographical region of Romania. It is situated north of the Danube and south of the Southern Carpathians. Wallachia is traditionally divided into two sections, Muntenia (Greater Wallachia) and Oltenia (Lesser Wallachia). Wallachia as a whole is sometimes referred to as Muntenia through identification with the larger of the two traditional sections.