中文摘要：

城市中心性是反映区域中心城市核心功能和影响力的重要测度指标，城市中心性研究是当前区域发展中的一个重要课题。选取鲁苏豫皖交界区域的11个地级市作为研究对象，从交通中心性、产业中心性、吸引力中心性三个角度，运用社会网络分析方法，研究鲁苏豫皖交界区域的城市中心性问题。研究得出：本区域有成为整体经济区的客观基础，存在东西两个经济亚区；徐州具备较强的综合优势，最有可能成为本区域的中心城市；济宁、商丘、枣庄、菏泽各具优势，加以综合提升，将成为本区域中心城市的有力竞争者。

英文摘要：

Urban centrality which reflects the core functions and influence of regional central city is an important measure indicator. Urban centrality is an important topic of current research on regional development. This article selects 11 cities within Shandong- Jiangsu-Henan-Anhui provincial boundary region to research urban centrality issue, and applies social network analysis method to calculate regional transportation centrality, industrial centrality and attractive centrality. The research indicates： the region has an objective basis for development as a whole economic zone, and has two economic sub-regions of east and west; Xuzhou has the strong comprehensive advantages, and it is the most likely to become the central city of this region; Jining, Shangqiu, Zaozhuang, Heze also have their own advantages respectively. If these cities can get comprehensive promotion, they will become strong contenders for the central city in this region.