Hazen is a city in Mercer County, North Dakota, United States. The population was 2,411 at the 2010 census. Hazen was founded in 1913. Hazen has a K-12 school system. It is located about fifteen minutes south of Lake Sakakawea, the largest lake in North Dakota and the third largest man-made lake in the United States.

Minot ( (listen) MY-not) is a city in and the county seat of Ward County, North Dakota, United States, in the state's north-central region. It is most widely known for the Air Force base approximately 15 miles (24 km) north of the city. With a population of 40,888 at the 2010 census, Minot is the state's fourth-largest city and a trading center for a large part of northern North Dakota, southwestern Manitoba, and southeastern Saskatchewan. Founded in 1886 during the construction of James J. Hill's Great Northern Railway, Minot is also known as "Magic City", commemorating its remarkable growth in size over a short time. Minot is the principal city of the Minot micropolitan area, a micropolitan area that covers McHenry, Renville, and Ward counties and had a combined population of 69,540 at the 2010 census. In 2020, it was estimated that the population of the Minot Micropolitan Area was 76,444.

Bismarck () is the capital of the U.S. state of North Dakota and the county seat of Burleigh County. It is the second-most populous city in North Dakota after Fargo. The city's population was estimated in 2020 at 74,018, while its metropolitan population was 129,641. In 2019, Forbes magazine ranked Bismarck as the seventh fastest-growing small city in the United States.Bismarck was founded by European-Americans in 1872 on the east bank of the Missouri River. It has been North Dakota's capital city since 1889, when the state was created from the Dakota Territory and admitted to the Union. Bismarck is across the river from Mandan, named after a historic Native American tribe of the area. The two cities make up the core of the Bismarck–Mandan Metropolitan Statistical Area. The North Dakota State Capitol, the tallest building in the state, is in central Bismarck. The state government employs more than 4,600 in the city. As a hub of retail and health care, Bismarck is the economic center of south-central North Dakota and north-central South Dakota.

Rugby is a city in, and the county seat of, Pierce County, North Dakota, United States. The population was 2,876 at the 2010 census, making it the twentieth largest city in North Dakota. Rugby was founded in 1886. Rugby is often billed as the geographic center of North America.