evidence: The correct answer is Saudi Arabia. Saudi Arabia does NOT have a single river, flowing within its boundaries. Saudi Arabia is the largest country in the world with no rivers at 830,000 square miles. There are no rivers or lakes or areas of abundant natural vegetation because rainfall is scant to non-existent.Does Vatican City have no river? [...] Land of No LakesSaudi Arabia, the world's largest country without a lake or river, is known as the "land of no rivers." For a country so large, this may be surprising. [...] Saudi Arabia is the largest country in the world with no rivers at 830,000 square miles.What country has the most rivers?