• Columbus
  • Haidong

Columbus (/kəˈlʌmbəs/) is the state capital and the most populous city in the U.S. state of Ohio. With a 2020 census population of 905,748, it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest, after Chicago, and the third-most populous state capital. Columbus is the county seat of Franklin County; it also extends into Delaware and Fairfield counties. It is the core city of the Columbus metropolitan area, which encompasses 10 counties in central Ohio. The metropolitan area had a population of 2,138,926 in 2020, making it the largest entirely in Ohio[a] and 32nd-largest in the U.S.

Columbus originated as numerous Native American settlements on the banks of the Scioto River. Franklinton, now a city neighborhood, was the first European settlement, laid out in 1797. The city was founded in 1812 at the confluence of the Scioto and Olentangy rivers, and laid out to become the state capital. The city was named for Italian explorer Christopher Columbus. The city assumed the function of state capital in 1816 and county seat in 1824. Amid steady years of growth and industrialization, the city has experienced numerous floods and recessions. Beginning in the 1950s, Columbus began to experience significant growth; it became the largest city in Ohio in land and population by the early 1990s. The 1990s and 2000s saw redevelopment in numerous city neighborhoods, including Downtown.

Haidong is a prefecture-level city under the jurisdiction of Qinghai Province, named because it is located to the east of Qinghai Lake; it belongs to the mosaic zone from the Loess Plateau to the Qinghai-Tibet Plateau, with a semi-arid continental climate; the city has a total area of 13200 square kilometers and has jurisdiction over 2 districts and 4 autonomous counties; in 2017, it has a resident population of 1.4708 million. Haidong has a long history. In the long historical evolution, Hehuang region has changed from the primitive nomadic state of "living after water and grass" to a more developed farming civilization. The people of all ethnic groups in Hehuang have jointly developed and built this land, creating a splendid history and culture. In December 2016, it was listed as the third batch of national comprehensive pilot areas for new urbanization. In 2017, the GDP of Haidong City was 43.6 billion yuan, an increase of 8.4 percent over the previous year at comparable prices. Among them, the added value of the primary industry
Travel Notes In Haidong