Introduction to Sydney Harbor: Sydney Harbor (Sydney Harbor), also known as Port Jackson, faces the Pacific Ocean to the east and the PARRAMATTARIVER 20 kilometers to the west. The north and south sides are the most prosperous central areas of Sydney, so some people call it A port within the city. One of the best views of Sydney is from cruising in the clear water of Sydney Harbor and looking at both sides of the harbor. Circular Quay (CIRCULARQUAY) in Sydney Harbor is the offshore center for ferries and cruise ships. Here tourists can choose ferries and cruise ships of various grades and voyages to enjoy the beautiful scenery of Sydney, the world's largest natural harbor.