Deltarhine region
The Deltarhine region is a river basin district of the Rhine basin, consisting of the Dinkel, the Berkel, and the Oude IJssel regional river basins. It covers 11,000 square kilometres and straddles the German-Dutch border, with 65% in the Netherlands and 35% in Germany.
It is covered by an international water management regime between the two countries, the Deltarhine regime.