Ship-planning Message Design Group non-profit organization run by and on behalf of organizations in the maritime industry develops and promotes UN/EDIFACT EDI-messages official Global User Group, recognised by the UN/EDIFACT Board primary focus has been data exchange between Shipping Lines and Terminals
UNLOCODE Recommendation 16 (http://www.unece.org/fileadmin/DAM/cefact/recommendations/rec16/rec16_3rd_1998_ecetrd227.pdf) III Field of application : 10. This Recommendation applies in all cases where a coded representation is required for names of ports, airports, inland clearance depots and freight terminals and other locations, such as places of receipt and delivery, which are used for goods movements associated with trade, for use in information exchange between participants in such trade. Only function 1, 4 & 6 are defined in Recommendation 16. Others (0-7 & B) do not have a clear definition IV DEFINITIONS : Port: Any location with permanent facilities at which vessels can load or discharge cargo moving in maritime traffic.
UNLOCODE Bilderdam 1 hectare, 0 terminal complexes
UNLOCODE Maasvlakte 3000 hectares, 15 terminal complexes, https://youtu.be/8WcHgvTX9XU
UNLOCODE Rotterdam 3000 hectares, 15 terminal complexes