Increasing Reciprocal Linkages between Primary City and Secondary Cities in Kedungsepur Metropolitan

One of the goals of metropolitan city formed as implementation of Development Strategic Zoning in Indonesian National Spatial Planning is to decrease disparities between primary city and secondary cities. But the fact shows the disparity between regions in metropolitan city is still happened include in Kedungsepur Metropolitan. This research not only want to find the answers why that the disparities still happened, but also will categorized the level of disparities and after that will find the way out of that problem. Increasing reciprocal inter-linkages between primary city and secondary cities are believed as an alternative way out from that problem. This research start by the first step to analysis based on interpretation to satellite image to describe the land changed of build-up area. The second step is used secondary data to measure inequality within regions use Williamson Index then compared as relatively to inequality rate means as an aggregate. The third step is identification of inter-linkages between regions use input-output analysis and Location Quotient.