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.

Miami ( my-AM-ə) is a city in and county seat of Ottawa County, Oklahoma, United States, founded in 1891. Lead and zinc mining established by 1918, caused it to boom. It is the capital of the Miami Tribe of Oklahoma, after which it is named, the Modoc Tribe of Oklahoma, the Ottawa Tribe of Oklahoma, the Peoria Tribe of Indians and the Shawnee Tribe. As of the 2010 census, the city had 13,570 inhabitants, a one percent decline since 2000.

Osage County is the largest county by area in the U.S. state of Oklahoma. Created in 1907 when Oklahoma was admitted as a state, the county is named for and is home to the federally recognized Osage Nation. The county is coextensive with the Osage Nation Reservation, established by treaty in the 19th century when the Osage relocated there from Kansas. The county seat is in Pawhuska, one of the first three towns established in the county. The total population of the county is 47,987.

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.