Stilwell / ᏍᏗᎳᏪᎵ is a city located in the sovereign territory of the Cherokee Nation. It is also the county seat of Adair County, Oklahoma. The population was 3,700 as of the 2020 U.S. census, a decline of 6.7 percent from the 3,949 population recorded in 2010. The Oklahoma governor and legislature proclaimed Stilwell as the "Strawberry Capital of the World” in 1949, but the role of strawberries in the local economy has diminished significantly since then. Today, residents of Stilwell are among the poorest and most impoverished in the United States. Stilwell also serves as a gateway to Lake Tenkiller and Adair Park, formerly called Adair State Park before it was defunded.

Adair County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 19,495. Its county seat is Stilwell. Adair County was named after the Adair family of the Cherokee tribe. One source says that the county was specifically named for Watt Adair, one of the first Cherokees to settle in the area. Adair County is part of the Cherokee Nation reservation.