Yuhuan, a county-level city in Zhejiang Province, is administered by Taizhou City. It is located in the southeast coast of Zhejiang Province, the middle of China's golden coastline, the south wing of the Yangtze River Delta economic Circle, the East Sea in the east, Dongtou Ocean in the south and Dongtou District of Wenzhou City, across Yueqing Bay in the west and northwest and Yueqing City in the north and northeast.

Yuhuan city from the island wonders, ancient records "morning mist around the island, shape like a ring; On the water, white as jade ", hence the name. The city consists of the Chumen Peninsula, Yuhuan Island and 135 peripheral islands. The terrain is high in the north and low in the south, alternating with hills and plains. The maximum distance between east and west of the area is 33.6 kilometers, and the maximum distance between north and south is 33.9 kilometers, with a total area of 405.5 square kilometers. There are 378.5 square kilometers of land, 27 square kilometers of water, and 1,930 square kilometers of sea.

Yuhuan City is one of the second batch of pilot areas of Zhejiang high-quality development and construction of common prosperity demonstration zone; It is one of the top 100 counties and cities in comprehensive strength, one of the top 100 counties and cities in investment potential, one of the top 100 counties and cities in green development, one of the top 100 counties and cities in science and technology innovation, one of the top 100 counties and cities in new urbanization quality, one of the top 100 counties in comprehensive economic competitiveness and one of the top 100 counties in business environment. Counties (districts) that meet the standards of water-saving society construction and top 100 counties and cities of China's smart cities [74].
In 2021, Yuhuan achieved annual GDP of 71.139 billion yuan, calculated at comparable prices, an increase of 10.9% compared with the same period last year.