Ports are centers for traffic, trade and industry. Technological and economical functions are separated in three areas of activity: traffic function, trade function and industrial function. Port’s basic goal is to achieve as big turnover as possible during the one year period, so it is necessary that the port has developed mainland and maritime connections. Development of the port and it’s part in the traffic and the economy system of the country, is determined by policy of Port Authority. It is very important to mention that an investment in the port can contribute faster economical development of nearby areas, also areas directly connected to the port. Ports are contributors of growth in many different areas like production and service and also an important factor of development in industry. Big increase in maritime trade and anticipation of it increasing even more during the future time period also helps and contributes development of certain areas. To correctly plan future development of the port, it is important to have multiple information about all factors that directly and indirectly affect the result of the plan of the development. The II investment in the port is closely connected to the city economic perspective, because the port is, of course, it’s constituent part.