• Portland
  • Tianjiaan District

Portland (/ˈpɔːrtlənd/, PORT-lənd) is a port city in the Pacific Northwest and the largest city in the U.S. state of Oregon. Situated at the confluence of the Willamette and Columbia rivers, Portland is the county seat of Multnomah County, the most populous county in Oregon. As of 2020, Portland had a population of 652,503, making it the 26th-most populated city in the United States, the sixth-most populous on the West Coast, and the second-most populous in the Pacific Northwest, after Seattle. Approximately 2.5 million people live in the Portland metropolitan statistical area (MSA), making it the 25th most populous in the United States. About half of Oregon's population resides within the Portland metropolitan area.

Named after Portland, Maine, the Oregon settlement began to be populated in the 1840s, near the end of the Oregon Trail. Its water access provided convenient transportation of goods, and the timber industry was a major force in the city's early economy. At the turn of the 20th century, the city had a reputation as one of the most dangerous port cities in the world, a hub for organized crime and racketeering. After the city's economy experienced an industrial boom during World War II, its hard-edged reputation began to dissipate. Beginning in the 1960s, Portland became noted for its growing liberal and progressive political values, earning it a reputation as a bastion of counter-culture.

Tianjiaan District, which belongs to Huainan City, Anhui Province, is located in the east of Huainan City, bordering Datong District in the east, Xiejiaji District in the south, Bagongshan District in the west and Panji District in the north. With a total area of more than 251 square kilometers, it is the central city of Huainan City. As of December 2014, Tianjiaan District has jurisdiction over 3 towns, 2 townships, 9 streets, 79 communities and 40 villages. At the end of 2012, the total population of Tianjiaan District was 539000. In 2012, Tianjiaan District achieved a GDP of 19.493 billion yuan, an increase of 12.1% (comparable price) over 2011. The famous scenic spots in Tianjiaan District are the National AAAA Scenic spot-Longhu Park.
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