Bartlesville, Oklahoma in the context of "Osage County, Oklahoma"

The Delaware Nation (Delaware: Èhëliwsikakw Lënapeyok), based in Anadarko, Oklahoma is one of three federally recognized tribes of Lenape or Delaware Indians in the United States, along with the Delaware Indians based in Bartlesville, Oklahoma and the Stockbridge–Munsee Community of Wisconsin. Two Lenape First Nations are in Ontario, Canada.

The Delaware Nation was also known as the Delaware Tribe of Western Oklahoma and was sometimes called the Absentee or Western Delaware.

The Delaware Tribe of Indians, or the Eastern Delaware, based in Bartlesville, Oklahoma, is one of three federally recognized tribes of the Lenape people in the United States. The others are the Delaware Nation based in Anadarko, Oklahoma, and the Stockbridge-Munsee Community of Wisconsin. More Lenape or Delaware people live in Canada.