Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire "New England" region. The city proper had a 2009 estimated population of 645,169, making it the twentieth largest in the country. It is also the anchor of a substantially larger metropolitan area called  "Greater Boston", home to 4.5 million people and the tenth-largest metropolitan area in the country. Greater Boston as a commuting region includes six Massachusetts counties:  "Essex", "Middlesex","Norfolk", "Suffolk", "Plymouth", "Worcester", northern "Bristol" County, all of "Rhode Island" and parts of "New Hampshire"; it is home to 7.6 million people, making it the fifth-largest Combined Statistical Area in the United States.

Sydney is a Canadian urban community in the province of Nova Scotia. It is situated on the east coast of Cape Breton Island and is administratively part of the Cape Breton Regional Municipality. Sydney was incorporated in 1904 and dissolved on August 1, 1995, when it was merged into the regional municipality. It is the largest urban centre on Cape Breton Island. Together with Sydney Mines, North Sydney, New Waterford and Glace Bay it forms the Industrial Cape Breton region. Sydney is located on east bank of the Sydney River where it discharges into South Arm of Sydney Harbour.

Halifax, legally known as the Halifax Regional Municipality (HRM), is the capital of the province of Nova Scotia, Canada. It is a major economic centre in Atlantic Canada with a large concentration of government services and private sector companies. Major employers and economic generators include the Department of National Defence, Dalhousie University,Saint Mary's University, the Halifax Shipyard, various levels of government, and the Port of Halifax. Agriculture, fishing, mining, forestry and natural gas extraction are major resource industries found in the rural areas of the municipality. Halifax was ranked as the fourth best place to live in Canada for 2012, placed first on a list of "large cities by quality of life" and placed second in a list of "large cities of the future''. Additionally, Halifax has consistently placed in the top 10 for business friendliness of North and South American cities. Waterfront warehouses known as the Historic Properties recall Halifax’s days as a trading hub for privateers, notably during the War of 1812.

New York City is the most populous city in the United States and the center of the New York metropolitan area. The city has a significant impact on global commerce, finance, media, culture, art, fashion, research, education, and entertainment. As host of the United Nations Headquarters, it is also an important center for international affairs. The city is often referred to as ''New York City'' or the ''City of New York'', to distinguish it from the state of New York, of which it is a part. Located on a large natural harbor on the Atlantic coast of the Northeastern United States, New York City consists of five boroughs: The Bronx, Brooklyn, Manhattan, Queens, and Staten Island. 

St. John's is the capital and largest city in Newfoundland and Labrador, Canada. St. John's was incorporated as a city in 1888, yet is considered by some to be the oldest English-founded city in North America. Situated on the eastern tip of the Avalon Peninsula on the island of Newfoundland, it is one of the world's top ten oceanside destinations. Its name has been attributed to the feast day of John the Baptist, when John Cabot was believed to have sailed into the harbour in 1497, and also to a Basque fishing town with the same name.

Acadia National Park is a national park located in the U.S. state of Maine. It reserves much of Mount Desert Island, and associated smaller islands, off the Atlantic coast. Initially created as the Sieur de Monts National Monument in 1916, the park was renamed Lafayette National Park in 1919, and was given its current name of Acadia in 1929. The oldest American national park east of the Mississippi River, its landscape is marked by woodland, rocky beaches and glacier-scoured granite peaks such as Cadillac Mountain, the highest point on the United States’ East Coast. The bayside town of Bar Harbor, with restaurants and shops, is a popular gateway.  

Charlottetown is a Canadian city. It is both the largest city on and the provincial capital of Prince Edward Island, and the county seat of Queens County. Named after Queen Charlotte, the wife of George III, Charlottetown was first incorporated as a town in 1855 and designated as a city in 1885. It was most famously the site of the Charlottetown Conference in 1864, the first gathering of Canadian statesmen to debate the proposed Canadian Confederation. From this, the city adopted as its motto  "Cunabula Foederis" – "Birthplace of Confederation".

Quebec, also Québec, City of Québec, Quebec City, or Québec City is the capital of the province of Quebec in Canada. Founded in 1608 by Samuel de Champlain, Quebec City is one of the oldest cities in North America. The ramparts surrounding Old Quebec (Vieux-Québec) are the only fortified city walls remaining in the Americas north of Mexico, and were declared a World Heritage Site by UNESCO in 1985 as the 'Historic District of Old Québec'. The city's famous landmarks include the Château Frontenac, a hotel which dominates the skyline, and La Citadelle, an intact fortress that forms the centre-piece of the ramparts surrounding the old city. The National Assembly of Quebec (provincial legislature), the Musée national des beaux-arts du Québec (National Museum of Fine Arts of Quebec), and the Musée de la civilisation (Museum of Civilization) are found within or near Vieux-Québec.