'''Guadiana''' (Arabic, ''Wadi Ana'', Latin ''Anas'', Spanish ''Guadiana'', Portuguese ''Guadiana'' or ''Odiana'') is one of the major rivers of Spain and Portugal. It forms part of the border between the two countries.
It is 778 kilometers long and drains an area of about 67,000 square kilometers. It flows into the Gulf_of_Cadiz, part of the Atlantic_Ocean.
Badajoz, Spain, is the largest city on the river. There are nearly two thousand dams on the river, the largest of which is the Alqueva_dam in Portuguese territory.
United Nations Environment Programme description
{{Spain-geo-stub}}
{{Portugal-geo-stub}}
Category:Rivers_of_Portugal
Category:Rivers_of_Spain
Es:Guadiana
Eo:Gvadiano
Fr:Guadiana
He:גוודיאנה
It:Guadiana
Nl:Guadiana
Pl:Gwadiana
Pt:Rio_Guadiana