The Dollart (German name, pronounced [ˈdɔlaʁt]) or Dollard (Dutch name, pronounced [ˈdɔlɑrt]) is a bay in the Wadden Sea between the northern Netherlands and Germany, on the west side of the estuary of the Ems river. Most of it dries at low tide. Many water birds feed there.
en.wikipedia.org/wiki/Dollart 