Bartlesville is a city mostly in Washington County in the U.S. state of Oklahoma. The population was 35,750 at the 2010 census, with a 2019 estimate of 36,144 according to the U.S. Census Bureau. Bartlesville is 47 miles (76 km) north of Tulsa and 18 miles (29 km) south of the Kansas border. It is the county seat of Washington County. The Caney River runs through Bartlesville. Bartlesville is the primary city of the Bartlesville Micropolitan area, which consists of Washington County and had a population of 51,843 in 2018. A small portion of the city is in Osage County. The city is also part of the Tulsa Combined Statistical Area, with a population of 1,151,172 in 2015. Bartlesville is notable as the longtime home of Phillips Petroleum Company. Frank Phillips founded Phillips Petroleum in Bartlesville in 1905 when the area was still an Indian Territory. The company merged with Conoco as ConocoPhillips and later split into the two independent companies, Phillips 66 and ConocoPhillips. Both companies have retained some operations in Bartlesville, but they have moved their corporate headquarters to Houston. It is one of two places in Oklahoma where a Lenape Native American tribe lives, the other being Anadarko.

Tulsa is the second-largest city in the state of Oklahoma and 47th-most populous city in the United States. The population was 413,066 as of the 2020 census. It is the principal municipality of the Tulsa Metropolitan Area, a region with 1,015,331 residents. The city serves as the county seat of Tulsa County, the most densely populated county in Oklahoma, with urban development extending into Osage, Rogers, and Wagoner counties.Tulsa was settled between 1828 and 1836 by the Lochapoka Band of Creek Native American tribe and most of Tulsa is still part of the territory of the Muscogee (Creek) Nation.Historically, a robust energy sector fueled Tulsa's economy; however, today the city has diversified and leading sectors include finance, aviation, telecommunications and technology. Two institutions of higher education within the city have sports teams at the NCAA Division I level, Oral Roberts University and the University of Tulsa. For most of the 20th century, the city held the nickname "Oil Capital of the World" and played a major role as one of the most important hubs for the American oil industry.It is situated on the Arkansas River between the Osage Hills and the foothills of the Ozark Mountains in northeast Oklahoma, a region of the state known as "Green Country". Considered the cultural and arts center of Oklahoma, Tulsa houses two art museums, full-time professional opera and ballet companies, and one of the nation's largest concentrations of art deco architecture. The city has been called one of America's most livable large cities by Partners for Livable Communities, Forbes, and Relocate America. FDi Magazine in 2009 ranked the city no. 8 in the U.S. for cities of the future. In 2012, Tulsa was ranked among the top 50 best cities in the United States by BusinessWeek. People from Tulsa are called "Tulsans".

Claremore is a town and the county seat of Rogers County in Green Country or northeastern Oklahoma, United States. The population was 18,581 at the 2010 census, a 17.1 percent increase over the figure of 15,873 recorded in 2000. Located in the Ozark Mountains foothills, the town is part of the Tulsa Metropolitan Area and home to Rogers State University. It is best known as the home of early 20th-century entertainer Will Rogers. This area was part of the territory of the Osage, but they were forced out under a treaty with the United States. During the Indian Removal period and until statehood, this area was a reserve of the Cherokee Nation, which had been removed from its territory in the Southeast United States. This was within what was known as the Cherokee Cooweescoowee District.

Coffeyville is a city in southeastern Montgomery County, Kansas, United States, located along the Verdigris River in the state's southeastern region. As of the 2020 census, the population of the city was 8,826. Coffeyville is the most populous city of Montgomery County, and the home to Coffeyville Community College. The town of South Coffeyville, Oklahoma is approximately 1 mile south of the city.