Loch Vättern is the seicont lairgest loch (bi surface aurie) in Swaden, efter Loch Vänern an the sixt lairgest loch in Europe. It is a lang, finger-shapit body o fresh watter in sooth central Swaden tae the sootheast o Vänern pyntin at the tip o Scandinavie.
Ane o the etymologies for the name Vättern is fae "vatten", the Swadish wird for watter. This oreegin is, houaniver, unclear an in dispute. It haes forby been suggestit that the archaic term "vätter", meanin forest or loch speerits, is the oreegin o the loch's name.