The Tisza is one of the major rivers of Central Europe. It originates in Ukraine, with the White Tisza in the Chornohora an Black Tisza in the Gorgany range, flows partially along the Romanian border, enters Hungary at Tiszabecs, passes through Hungary touching the border with Slovakia, and falls into the Danube in central Vojvodina in Serbia. It forms the boundary between the regions of Bačka and Banat . The Tisza drains an area of about 157,186 km².