• Tulsa
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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.

Longxi County is located in the southeast of Gansu Province, in the middle of Dingxi City, in the upper reaches of Weihe River, in the middle of Longzhong Loess Plateau. It is connected with Tongwei County in the east, Wushan and Zhangxian in the south, Weiyuan County in the west and Anding District in the north. It belongs to Dingxi City, Gansu Province. Longxi gets its name because it is to the west of Longshan. Since ancient times, it has been the "country of the four Serbs", a place that must be fought for by military families. As far back as the prehistoric period, the ancestors thrived on this land, leaving cultural sites such as Yangshao and Qijia. King Zhao of Qin Dynasty established Longxi County in the 35th year (272 BC) and Xiangwu County in the early Han Dynasty. The Sui Dynasty changed to Longxi County, and the name of the county is still in use today. As of 2016, Longxi County covers an area of 2408 square kilometers and has jurisdiction over 10 towns, 7 townships, 215 administrative villages, 11 communities, 1287 village groups, with a total population of 519200.
Travel Guides In Longxi County
Travel Notes In Longxi County