The Vistula (Polish: Wisła; German: Weichsel; Czech: Visla), is the longest river in Polan at 1,047 km (678 miles) in length. It drains an area of 194,424 km² (75,067 sq. miles), of which 168,699 km² (65,135 sq. miles) lies within Poland (over half the area of the country) .