lower part of the drainage basin of the Lehigh River. Cities and location The Lehigh Valley has three principal cities: Allentown, Bethlehem, and Easton. The region is located between two of the nation's largest population centers, west of New York City, the nation's largest and world's 11th largest city, and north of Philadelphia, the nation's sixth largest and world's 67th largest city. The region borders Carbon County and the Coal Region to its north, the Delaware River and Warren County, New Jersey to its east, Bucks and Montgomery Counties in suburban Philadelphia to its south, and Berks and Schuylkill Counties to its west. Cities Allentown (125,845) Bethlehem (75,781) Easton (28,127) Municipalities with more than 10,000 people Bethlehem Township (23,730) Emmaus (11,652) Forks Township (14,721) Hanover Township (Northampton) (10,866) Lehigh Township (10,526) Lower Macungie Township (31,964) Lower Saucon Township (10,772) Northampton (10,395) North Whitehall Township (15,655) Palmer Township (20,691) Salisbury Township (13,505) South Whitehall Township (19,180) Upper Macungie Township (26,377) Upper Saucon Township (14,808) Whitehall Township (26,738) Municipalities with fewer than 10,000 but more than 5,000 people Ancient Oaks Bangor Breinigsville Bushkill Township Catasauqua Chestnut Hill Hellertown Lower Nazareth Township Moore Township Nazareth Plainfield Township Upper Milford Township Upper Mount Bethel Upper Nazareth Township Washington Township (Lehigh) Washington Township (Northampton) Williams Township Wilson Municipalities with fewer than 5,000 people Alburtis Allen Township Bath Chapman Coopersburg Coplay East Allen Township East Bangor Fountain Hill Freemansburg Glendon Hanover Township (Lehigh) Heidelberg Township Lower Milford Township Lower Mount Bethel Township Lowhill Township Lynn Township Macungie North Catasauqua Pen Argyl Portland Roseto Slatington Stockertown Tatamy Walnutport Weisenberg Township West Easton Wind Gap Census-designated places and villages Ackermanville Balliettsville Beersville Belfast Berlinsville Best Station Butztown Cementon Center Valley Cetronia Cherryville Chickentown Christian Springs Colesville Danielsville DeSales University Dorneyville Eagle Point Eastlawn Gardens East Texas Egypt Emanuelsville Emerald Flicksville Fogelsville Franks Corner Friedensville Fullerton Gauff Hill Germansville Hanoverville Hensingersville Hokendauqua Hollo Hosensack Ironton Jacksonville Katellen Klecknersville Kuhnsville Lanark Laurys Station Limeport Locust Valley Lynnport Martin's Creek Mickleys Middletown Moorestown Morgan Hill Mount Bethel Neffs Newburg New Smithville New Tripoli Old Orchard Old Zionsville Orefield Palmer Heights Pleasant Corners Powder Valley Raubsville Scherersville Schnecksville Schoenersville Seidersville Shimerville Sigmund Slatedale Slateford Stiles Summit Lawn Trexlertown Treichlers Vera Cruz Walbert Wanamakers Wassergass Werleys Corner Wescosville West Catasauqua Zionsville Zucksville Metropolitan and Combined Statistical Areas The Allentown-Bethlehem-Easton, PA-NJ Metropolitan Statistical Area is a Metropolitan Statistical Area that includes Carbon County in