sentences:  The newest county-equivalents are the Alaskan boroughs of Skagway established in 2007, Wrangell established in 2008, and Petersburg established in 2013.A consolidated city-county is simultaneously a city, which is a municipality (municipal corporation), and a county, which is an administrative division of a state, having the powers and responsibilities of both types of entities.There are 40 consolidated city-counties in the U.S., including Augusta, Georgia; Denver, Colorado; Honolulu, Hawaii; Indianapolis, Indiana; Jacksonville, Florida; Louisville, Kentucky; Lexington, Kentucky; Kansas City, Kansas; Nashville, Tennessee; Philadelphia, Pennsylvania; and San Francisco, California.