The geographical center of Indiana is located at latitude 39.86 degrees North and longitude 86.26 degrees West. This basic map of IN (postal abbreviation for the State of Indiana) shows Indianapolis, the capital city, as well as other major Indiana cities such as Gary, Evansville, Fort Wayne, and Evansville.he geographical center of Indiana is located at latitude 39.86 degrees North and longitude 86.26 degrees West. This basic map of IN (postal abbreviation for the State of Indiana) shows Indianapolis, the capital city, as well as other major Indiana cities such as Gary, Evansville, Fort Wayne, and Evansville.