This study aims to research the potential of secondary crops in Central Java exploitation cluster analysis (non-hierarchical) and maping employing a geographic information system. processing was allotted using SPSS 15.0 Arcgis 10. 2. The results showed that Sukoharjo, Kudus, Demak, Pekalongan, Pemalang, Tegal, Brebes, Magelang town, Surakarta City, Salatiga city Pekalongan Tegal City had low (c...