The development of the logistical concept itself has greatly contributed to the creation of new opportunities for achieving transport goals. Within the transport chain of the technology loop, they enabled the computer simulation process to take place. Simulation programs represent one of the ways of modeling with a computer, where realistic systems can be run and experimented with. There is also a review of computer simulations that are their advantages and disadvantages that have evolved over the years. Thus simulation modeling using computer simulations is best illustrated by container terminal warehouses that, by optimizing mode, bring better, greater and more transparent operations of the terminal storage process itself. Today's modern management brings the centralization of logistics networks where inventories are created that need to be stored at some point in time. The warehouse refers to the place where the cargo that came by transport (boat, train, truck, etc.) is deposited and after a while relate to the final buyer. By displaying the warehouse work, there is a possibility of warehouse management, where various degrees of automation of warehousing operations are listed. Such systems have become an indispensable standard in today's warehouse management. A major role in improving the management of logistics networks has been the development of technology and computer simulations. The FlexSim simulation application has demonstrated an open type port facility, and after the model are explained all the statistical data that show the work of the facilities used in that model. This paper has an overview of the work of the port warehouse as an important part of the logistics supply chain. In the work of modern warehouse management, using simulation software, it is possible to achieve more optimized system performance.