Pittsburg

There's more than one place called Pittsburg or Pittsburgh:

United States of America

 * Pittsburg (California) - a city in Contra Costa County, East Bay (Bay Area), California
 * Pittsburg (Crawford County) - a city in Crawford County, Southeastern Kansas
 * Pittsburg (Mitchell County) - a township in Mitchell County, Central Kansas
 * Pittsburg (Texas) - a city in Piney Woods, Texas