The purpose of this study is to analyze how much power the centrality of the infrastructure facilities available in each sub-district in Kediri Regency, identify the strength of the interaction between the central subdistrict and other sub-districts in Kediri Regency, and map the distribution of public services and infrastructure in each district. as well as interactions between sub-districts in Kediri Regency. The analytical tools used in this study are the Schalogram Analysis, Centrality Index, Gravity Method, and mapping with the GIS Method. The results of the analysis show that Pare District is a growth center area and has 29 types of facilities with Badas District as the strongest interaction area. Ngasem District is the second growth center area with 27 types of facilities with Pagu District as the strongest area of interaction.