Erie County

There's more than one place called Erie County:

United States of America

 * Erie County (New York) - in the Niagara Frontier region of New York; for travel purposes, it is divided into two sub-regions:
 * Buffalo, the county seat and its largest city
 * Northtowns, Buffalo's northern suburbs
 * Southtowns, Buffalo's southern suburbs
 * Erie County (Ohio) - in Northwest Ohio
 * Erie County (Pennsylvania) - in the Erie Region of Pennsylvania