* The Netherlands/Germany https://www.openstreetmap.org/#map=10/53.4786/6.6982 https://www.openstreetmap.org/#map=10/53.4786/6.6982 Note the overlapping borde

* The Netherlands/Germany https://www.openstreetmap.org/#map=10/53.4786/6.6982 https://www.openstreetmap.org/#map=10/53.4786/6.6982 Note the overlapping borders that makes a bit of sea part of both countries. This is strictly a non-violent matter of differing border interpretations though, with almost no judicial or maritime consequences.