Tulsa (/ˈtʌlsə/) 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 1,023,988 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.[a]
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. As well, the University of Oklahoma has a secondary campus at the Tulsa Schusterman Center, and Oklahoma State University has a secondary campus located in downtown 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.
Tongren City, a prefecture-level city under the jurisdiction of Guizhou Province, is located in the northeast of Guizhou Province, in the hinterland of Wuling Mountain area, in the east of Huaihua City, Hunan Province, and bordering Chongqing in the north, high in the northwest and low in the southeast, the whole territory is mainly mountainous, most areas belong to the mid-subtropical monsoon humid climate zone; the total area is 18003 square kilometers, and it has jurisdiction over 2 municipal districts, 4 counties and 4 autonomous counties; the resident population is 3.1688 million in 2018. The history has a long history. The Qin Dynasty was the hinterland of the central Guizhou county, and it was transferred to Wuling County in the Han Dynasty, and the county was ruled only in the Shu Han Dynasty; the Tang Dynasty belonged to Sizhou, Jinzhou and Qianzhou respectively. At the end of the Song Dynasty and the beginning of the Yuan Dynasty, Sizhou and Sinan were set up to proclaim comfort, and the Yuan Dynasty set up a lawsuit against the army and people of the Copper people's Congress and the people of Xiaojiang. Ming Yongle withdrew Sizhou and Sinan Xuanwei Department in the eleventh year of the Ming Dynasty, and set up four prefectures of Tongren, Sinan, Shiqian and Wuluo at present, which belong to the newly-built