The Groothoofdspoort is a former city gate in Dordrecht that is located at the point where three rivers meet; the Merwede, the Oude Maas, and the Noord.
Wikipedia https://en.wikipedia.org/wiki/Groothoofdspoort
Official Website https://www.youtube.com/watch?v=EFd7obX6SNo
Address 1 Palingstraat, Dordrecht 3311BM, Netherlands
Coordinates 51°49'10.555" N 4°40'13.028" E