济宁位于山东省西南部，面积１万余（ｋｍ２），总人口７６６万余，辖１２个县（市、区）。津浦与兖石铁路在境内交汇，地形复杂，东部多丘陵山区，中、西部为平原，南部有微山、召阳、独山、南阳四个湖泊，由贯穿南北的京杭大运河连成一系，其周围地形低洼，河流沟渠密布... Jining is located in the southwest of Shandong Province, an area of ​​more than 1 (km2), the total population of more than 7.66 million, administer 12 counties (cities, districts). Jinpu and Yanzhou-Shihmen Railway cross the territory of China with complex terrain. In the eastern part, there are many hilly mountain areas, middle and western plains, and four Weishan, Zhaoyang, Dushan and Nanyang lakes in the south are connected by a series of Beijing-Hangzhou Grand Canal runs through the north and south, Its low-lying terrain around, river ditches ...