Urban area: 11760.26 square kilometers (SAR Chinas first provincial-level 30). Urban area of 4334.72 square kilometers. Built area of 500 square kilometers. Tianjin 189 km long from north to south and 117 km wide things, a coastline of 153 km. Altitude :The citys general 2-5 meters above sea level. Most of the south of Yanshan Mountain in northern hilly areas 100-500 meters above sea level in between. 9 Peak to the highest point in Tianjin, 1078.5 meters above sea level xiaoyanglou乐桥摩天轮，又称“ 天津之眼
