havengelden
Havengeld is a Dutch term for charges imposed by a port authority on ships that call at a harbor. These charges are intended to cover the use of port facilities and services, such as berthing and mooring, dredging, waste reception, lighting and security, pilotage, and other port operations.
The rates and the scope of havengeld vary by port. Charges can be calculated per ship call,
Historically, havengeld has its origins in medieval and early modern towns that levied dues on visiting ships
In practice, havengeld is part of the broader system of harbour dues and port fees that influence