Oaș Country (Romanian: Țara Oașului, Hungarian: Avasság) is an ethnographic and historical region of Romania located in the North-East part of Satu Mare County, 50 km from the city of Satu Mare, also 50 km from the city of Baia Mare. The total area is about 755,30 km². The capital of Oaș Country is Negrești-Oaș town. 
|Ethnographic region of Romania|
Map of Oaș Country
|Capital of Oaş Country||Negrești-Oaș|
|• Total||755,30 km2 (29,160 sq mi)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
The Oaș Country extends from Turț - Gherța Mare - Gherța Mică (on the western side) all the way to Huta pass situated at an altitude of 604 m (in the East), from Cămărzana (in the North) to the mountains that surround Orașu Nou, Racșa and Vama (in the South).
The Oaș Country comprises the following communes:
The Oaș Depression has maximum altitudes of 400–500 m. Most of the human dwellings are situated alongside the river valleys that cross the Oaș Depression. In the Northern part of the depression there is the Lechincioara Basin which includes the Mare, Semănaturii and Lechincioarei valleys. In the southern part of Oaș Country there are the Tur, Alb and Rău rivers.
The first document that mentioned the Oaș Country dates from 1270, when the King of Hungary donated to a nobleman several villages from the South-Western boundary of the "country".