A century of history to see Tianjin, a thousand years of history to see Beijing - summer, the 12th day of the third day of Tianjin - the third day of Tianjin - the road with the shooting 2 Tianjin under 16 municipal districts, a total of 245 streets, towns and townships. The municipal jurisdiction is divided into central urban areas, ring urban areas, Binhai New District and far suburbs. The "Tianjin Space Development Strategy" proposes the urban planning concept of "two cities and two ports, two phase expansion, one axis and two belts, and the north-south ecology". Among them, "two cities" refers to the core area of Tianjin's downtown area and Binhai New District; "two ports" refers to Tianjin Port and Tianjin Nangang; "North and South" refers to the north and the south of the city; "North" refers to the mountainous and hilly area in the north of Zhangzhou District. The central city is the birthplace of Tianjin, and it is also the political, cultural, educational, economic and commercial center. According to the function of the service industry, the central city is positioned according to the functions of "financial peace", "business Hexi", "science and technology Nankai", "Jinmao Hedong", "Creative Hebei", "Business and Trade Red Bridge"