Greenfield, Indiana From Wikipedia, the free encyclopedia Jump to: navigation, search City of Greenfield, Indiana — City — Location in the state of Indiana Coordinates: 39°47′29″N 85°46′17″W / 39.79139°N 85.77139°W / 39.79139; -85.77139Coordinates: 39°47′29″N 85°46′17″W / 39.79139°N 85.77139°W / 39.79139; -85.77139 Country United States State..