There of the largest cities in New Hampshire, USA:

Concord – With a population of about 40,000, Concord, New Hampshire is one of the smallest state capitals in the United States. It lies about eighty miles north of the city of Boston.

Manchester – The city of Manchester, otherwise known as The Queen City, is the largest city in New Hampshire with an approximate population of 180,000.

Portsmouth – Portsmouth, the largest coastal city in the state of New Hampshire, is home to over 20,000 people and a very rich history. Much of the city is made up of preserved 17th century buildings.