Schoondijke is a village in the Dutch province of Zeeland. It is located in the municipality of Sluis, about 5 km south of Breskens. Schoondijke was a separate municipality until 1970, when it was merged with Oostburg.
Wikipedia https://en.wikipedia.org/wiki/Schoondijke
Coordinates 51°21'13.077" N 3°33'22.528" E