Place where shipments are loaded and secured aboard a vessel  (cargo ship or aircraft) .
It may or may not be the same as port of origin.

e.g.

An container has arrived in the Port of Durban. Terminal Handling cost must be paid on the Port of Loading

Pick-Up	Pre-Carriage	Port of Loading	Code	Charge	Price	Per	Shipping Phase
pretoria		Durban	THC	Terminal Handing Charge Cost	€225,-	Equipment	Port of Loading