The lost Zeeland city of Reimerswaal was officially recognized as a national monument by the National Office for Cultural Heritage. It is the only sunken Dutch city that has national monument status, NU.nl reports
Reimerswaal disappeared underwater in the 17th century. Before that it was the third largest city in Zeeland, after Middelburg and Zierikzee. Around 6 thousand people lived in Reimerswaal and it had one of the largest ports in the region.