A Geocentric City of Odessa: You are here! Where is the best place to find a map of voting districts or where the city limit begins and ends? The Geointelligence Department or GIS is the best way to find all types of maps to answer those questions. The department provides accurate and accessible data. “What we do for the city is basically map anything and everything that needs to be mapped. That includes traffic signals, stop signs, fire hydrants, water lines, sewer lines, buildings, roads and m