The title of this final paper is Urban development of Pula as the main Austro-Hungarian war port. Chapter two begins with a discussion of the topic and describes the appearance of Pula at the beginning of the Austrian rule. 1813. year, Pula came under the rule of the Austrian Empire. Since 1850, it has been given the title of the main Austro-Hungarian port of war and, as a result, the city has been modernized in all areas. Pula was the main center of shipbuilding and turned into an industrial city. The third chapter describes the construction of the port of war, the arsenal, and buildings necessary for the operation of the Navy. The Navy Hospital, the Navy Church, the Navy Barracks, the Navy cemetery and numerous fortifications are being built to protect the city. The fourth chapter describes the social life of the residents of the city center and the important buildings in the urban part of the city. More and more neighborhoods and buildings are being built to open crafts, inns, shops, cafes, etc. Chapter five introduces some of the prominent forts, the Muzil fort, the Casoni Vecchi fort, the Punta Kristo fort and the Bourguignon fort. Pula was also decorated by numerous villas such as Munz villas, Idol villa, Matilde villa, Monai villa and others, which are presented in chapter six. From the beginning of the Austrian rule in Pula until the end, the number of inhabitants increased from a thousand inhabitants to more than 50 thousand inhabitants. It has been concluded that the Austrian rule in Pula greatly helped in the development of the city and even completely created a modern image of the city which Pula afterwards retained.