Ardila River
Encyclopedia
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...
and Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
influent of the Guadiana
Guadiana
The Guadiana , or Odiana, is an international river located on the Portuguese–Spanish border, separating Extremadura and Andalucia from Alentejo and Algarve...
. Its length is 166 km. A portion of the river forms the international border between the two countries.