{{Infobox settlement | name = Dinghai | native_name = 定海区 | native_name_lang = zh-Hans | other_name = Tinghai | postal_code = 316000 | postal_code_type = Postal code | settlement_type = District | image_skyline = Skyline of the new city center of Zhoushan City.jpg | imagesize = | image_caption = Zhoushan New Town | image_map = File:Administrative Division Zhoushan.png | map_caption = Dinghai District is in blue here on the map. | pushpin_map = China Zhejiang | pushpin_label = | pushpin_label_position = | pushpin_map_caption = Location in Zhejiang | subdivision_type = Country | subdivision_name = People's Republic of China | subdivision_type1 = Province | subdivision_name1 = Zhejiang | subdivision_type2 = Prefecture-level city | subdivision_name2 = Zhoushan | area_code = | area_land_km2 = 568.8 | area_total_km2 = 1444.0 | area_water_km2 = 875.2 | population_as_of = 2019 | population_density_km2 = auto | population_total = 399382 | coor_pinpoint = Dinghai District government | coordinates = {{coord|30.0198|N|122.1068|E|type:adm3rd_region:CN-33_source:Gaode|format=dms|display=it}} | leader_name = | leader_title = | elevation_ft = | elevation_m = | elevation_max_m = | elevation_min_m = | timezone = China Standard | utc_offset = +8 | website = {{URL|dinghai.gov.cn}} | official_name = | seat = {{ill|Changguo Subdistrict|zh|昌国街道}} }} {{Infobox Chinese|title=Dinghai|psp=Tinghai|c=定海|w=Ting<sup>4</sup>-hai<sup>3</sup>|p=Dìnghǎi}} '''Dinghai {{Audio|Ding4hai3.ogg|}}''' ({{zh|c=|s=定海区|t=定海區|p=Dìnghǎi Qū}}) is a district of Zhoushan City made of 128 islands in Zhejiang province, China. The total area is 1,444 square kilometres. The land area is 568.8 square kilometres, the sea area is 875.2 square kilometres, and the coastline is more than 400 kilometres. It is based on the larger northwestern half of Zhoushan Island, where it borders Putuo in the east. The district boundary meets that of Daishan County out at sea to the north of the island. Its southwestern boundary intersects the border of Ningbo, also entirely at sea.

The district, which was formed in January 1987 when it was upgraded from county status, has a population of 399,382 as of 2019.<ref name=":1">{{Cite web|date=2020-03-04 |script-title=zh:人口状况|trans-title=Population Situation|url=http://www.dinghai.gov.cn/col/col1489749/index.html|url-status=live|archive-url=https://web.archive.org/web/20200813174002/http://www.dinghai.gov.cn/col/col1489749/index.html|archive-date=2020-08-13|access-date=2020-08-13|publisher=Dinghai People's Government|language=zh}}</ref><ref name=":2">{{Cite web|date=2018-05-11 |script-title=zh:历史沿革|trans-title=History|url=http://www.dinghai.gov.cn/col/col1489746/index.html|url-status=live|archive-url=https://web.archive.org/web/20200813171222/http://www.dinghai.gov.cn/col/col1489746/index.html|archive-date=2020-08-13|access-date=2020-08-13|publisher=Dinghai People's Government|language=zh}}</ref>

== History == According to the Dinghai People's Government, the area of Dinghai has been inhabited by humans for over 5,000 years.<ref name=":2" />

During the Spring and Autumn period, the area was known as Yongdong ({{zh|labels=no|s=甬东|t=甬東|p=}}), and belonged to the Yue kingdom.<ref name=":2" />

The area was incorporated as Wenshan County ({{zh|labels=no|s=翁山县|t=翁山縣|p=}}) in 738 CE.<ref name=":2" /> In 771 CE, the county was abolished and placed under Mao County ({{zh|labels=no|s=鄮县|t=鄮縣|p=}}).<ref name=":2" />

In 1073, the area was organized as Changguo County ({{zh|labels=no|s=昌国县|t=昌國縣|p=}}), and was placed under the jurisdiction of Ningpo city's Ming Prefecture.<ref name=":2" /> It was renamed Dinghai County ({{zh|labels=no|s=定海县|t=定海縣|p=}}) in 1688.<ref name=":2" />

During the First Opium War, Dinghai was taken by British forces on July 6, 1840.<ref name=":3">{{Cite book|last=Dillon|first=Michael|title=China: A modern history|year=2012|isbn=978-1-78076-381-1|edition=New paperback|location=London|pages=52, 57|oclc=793689711}}</ref> Dinghai was handed back by Charles Elliot, but was subsequently re-captured by Henry Pottinger, on October 1, 1841.<ref name=":3" />

Dinghai was taken by the Chinese Communists on 17th May year 1950.<ref name=":2" />

In October 1958, Zhoushan's prefecture-level status was revoked, and the area became part of Zhoushan County.<ref name=":2" /> In April 1962, Zhoushan was restored to prefecture-level status, and Dinghai County was re-established.<ref name=":2" />

In January 1987, Dinghai County became Dinghai District ({{zh|labels=no|s=定海区|t=|p=}}).<ref name=":2" />

== Geography == thumb|left|Dinghai (labeled TING-HAI {{lang|zh|定海}}) (1953)Dinghai District has a total area of 1,444.0 square kilometres, of which, 568.8 square kilometres is land, and the remaining 875.2 square kilometres is sea.<ref name=":4">{{Cite web|date=2013-11-14 |script-title=zh:定海区概况地图|url=http://xzqh.org/html/show/zj/7198.html|url-status=live|archive-url=https://web.archive.org/web/20200813175707/http://xzqh.org/html/show/zj/7198.html|archive-date=2020-08-13|access-date=2020-08-13|website=xzqh.org|language=zh}}</ref> Located in northeast Zhejiang Province, southeast Shanghai, Hangzhou Bay, the outer edge of the East China Sea.

The district spans 128 islands, including Zhoushan Island, Jintang Island, Damao Island ({{zh|labels=no|s=大猫岛|t=|p=}}), {{Interlanguage link|Cezi Island|lt=|zh|册子岛|WD=}}, {{Interlanguage link|Changbai Island|lt=|zh|长白岛|WD=}}, and {{Interlanguage link|Aoshan Island|lt=|zh|岙山|WD=}}.<ref name=":5">{{Cite web|date=2015-12-04 |script-title=zh:自然地理|trans-title=Physical Geography|url=http://www.dinghai.gov.cn/col/col1489747/index.html|url-status=live|archive-url=https://web.archive.org/web/20200813165151/http://www.dinghai.gov.cn/col/col1489747/index.html|archive-date=2020-08-13|access-date=2020-08-13|publisher=Dinghai District People's Government|language=zh}}</ref> Other islands include Changzhi Island ({{zh|labels=no|s=长峙岛|t=|p=}}) and Panzhi Island ({{zh|labels=no|s=盘峙岛|t=|p=}}).<ref name=":4" /> Many of the islands have hilly terrain, and the highest point in the district is Huangyanjian Mountain ({{zh|labels=no|s=黄杨尖山|t=|p=}}), which reaches 503.6 meters in altitude.<ref name=":5" />

The area is rich in marine life, with 80 species of fish, and over 150 species of shellfish.<ref name=":5" /> The endangered black-faced spoonbill, the yellow-billed egret, the horned grebe, and other species of birds are also native to the island.<ref name=":5" />

=== Climate === North subtropical southern margin of the marine monsoon climate, warm in winter and cool in summer, mild and humid, plenty of light.

The district experiences an average temperature of 16.8&nbsp;°C.<ref name=":5" /> The district's coldest month is January, which averages 6.2&nbsp;°C in temperature, and the district's warmest month is August, which averages 27.4&nbsp;°C in temperature.<ref name=":5" /> The coldest temperature recorded in the district was −4.2&nbsp;°C, which occurred on December 28, 1991.<ref name=":5" /> The warmest temperature recorded in the district was 40.2&nbsp;°C, which occurred on July 21, 2007.<ref name=":5" />

Average annual rainfall in Dinghai is 1410.8 millimetres, and the district experiences an average of 149 rainy days per year.<ref name=":5" />

The area experiences typhoons, heavy rains, floods, and droughts.<ref name=":5" /> The district was hit by a blizzard on March 12, 2005, which bought the most snowfall to the area since 1978.<ref name=":5" />

==Administrative divisions== thumb|right|Dinghai Park, a major recreational and civic place, had been the only urban park in Dinghai for two decades before other parks opened.

thumb|right|Lincheng Sub-District of Dinghai District has been designated by the Zhoushan municipal government as the newly planned and developed center for the city as well as the current municipal seat. thumb|right|A clear day at Changbai Channel, the channel dividing Changbai Island and Zhoushan Main Island, from the ferry station with the Main Island as background.

Dinghai District administers consisted of 10 subdistricts and 3 towns.<ref name=":1" /><ref name=":0">{{Cite web|date=2019 |script-title=zh:2019年统计用区划代码|url=http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2019/33/09/330902.html|url-status=live|archive-url=https://web.archive.org/web/20200813162600/http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2019/33/09/330902.html|archive-date=2020-08-13|access-date=2020-08-13|publisher=National Bureau of Statistics of China|language=zh}}</ref> As of 2019, these township-level divisions were further divided into 41 residential communities, 73 rural villages, and 7 urban villages.<ref name=":6">{{Cite web|date=2020-04-27 |script-title=zh:行政区划|trans-title=Administrative Divisions|url=http://www.dinghai.gov.cn/col/col1489748/index.html|url-status=live|archive-url=https://web.archive.org/web/20200813182358/http://www.dinghai.gov.cn/col/col1489748/index.html|archive-date=2020-08-13|access-date=2020-08-13|publisher=Dinghai People's Government|language=zh}}</ref> {| class="wikitable" |+Township-level divisions of Dinghai District<ref name=":1" /><ref name=":0" /> !English name !Subdivision Type !Chinese name !Population (2019) |- |{{Interlanguage link|Changguo Subdistrict|lt=|zh|昌国街道|WD=}} |Subdistrict |{{zh|labels=no|s=昌国街道|t=|p=Chāngguó Jiēdào}} |54,457 |- |{{Interlanguage link|Huannan Subdistrict|lt=|zh|环南街道|WD=}} |Subdistrict |{{zh|labels=no|s=环南街道|t=|p=Huánnán Jiēdào}} |34,874 |- |{{Interlanguage link|Chengdong Subdistrict, Zhoushan|lt=Chengdong Subdistrict|zh|城东街道 (舟山市)|WD=}} |Subdistrict |{{zh|labels=no|s=城东街道|t=|p=Chéngdōng Jiēdào}} |51,578 |- |{{Interlanguage link|Yancang Subdistrict|lt=|zh|盐仓街道|WD=}} |Subdistrict |{{zh|labels=no|s=盐仓街道|t=|p=Yáncāng Jiēdào}} |19,600 |- |{{Interlanguage link|Lincheng Subdistrict, Zhoushan|lt=Lincheng Subdistrict|zh|临城街道 (舟山市)|WD=}} |Subdistrict |{{zh|labels=no|s=临城街道|t=|p=Línchéng Jiēdào}} |46,886 |- |{{Interlanguage link|Cengang Subdistrict|lt=|zh|岑港街道|WD=}} |Subdistrict |{{zh|labels=no|s=岑港街道|t=|p=Céngǎng Jiēdào}} |18,063 |- |{{Interlanguage link|Ma'ao Subdistrict|lt=|zh|马岙街道|WD=}} |Subdistrict |{{zh|labels=no|s=马岙街道|t=|p=Mǎ'ào Jiēdào}} |9,653 |- |{{Interlanguage link|Shuangqiao Subdistrict, Zhoushan|lt=Shuangqiao Subdistrict|zh|双桥街道 (舟山市)|WD=}} |Subdistrict |{{zh|labels=no|s=双桥街道|t=|p=Shuāngqiáo Jiēdào}} |18,170 |- |{{Interlanguage link|Xiaosha Subdistrict|lt=|zh|小沙街道|WD=}} |Subdistrict |{{zh|labels=no|s=小沙街道|t=|p=Xiǎoshā Jiēdào}} |19,802 |- |Qiandao Subdistrict |Subdistrict |{{zh|labels=no|s=千岛街道|t=|p=Qiāndǎo Jiēdào}} |39,189 |- |{{Interlanguage link|Jintang, Zhoushan|lt=Jintang|zh|金塘镇 (舟山市)|WD=}} |Town |{{zh|labels=no|s=金塘镇|t=|p=Jīntáng Zhèn}} |40,074 |- |{{Interlanguage link|Baiquan, Zhoushan|lt=Baiquan|zh|白泉镇 (舟山市)|WD=}} |Town |{{zh|labels=no|s=白泉镇|t=|p=Báiquán Zhèn}} |37,144 |- |{{Interlanguage link|Ganlan, Zhoushan|lt=Ganlan|zh|干𬒗镇|WD=}} |Town |{{zh|labels=no|s=干𬒗镇|t=|p=Gānlán Zhèn}} |9,892 |}

=== Historic divisions === In July 1994, the district had 4 subdistricts, 7 towns, and 14 townships.<ref name=":7">{{Cite web|date=2013-11-14 |script-title=zh:定海区历史沿革|url=http://xzqh.org/html/show/zj/7197.html|url-status=live|archive-url=https://web.archive.org/web/20200813180332/http://xzqh.org/html/show/zj/7197.html|archive-date=2020-08-13|access-date=2020-08-13|website=xzqh.org|language=zh}}</ref> The district's 4 subdistricts were Changguo Subdistrict, Huannan Subdistrict, Chengdong Subdistrict, and the now-defunct Jiefang Subdistrict.<ref name=":7" /> The district's 7 towns were Xiaosha (now a subdistrict), Cengang (now a subdistrict), Lincheng (now a subdistrict), Baiquan, Ganlan, the now-defunct Dafeng ({{zh|labels=no|s=大丰镇|t=|p=}}), and the now-defunct Ligang ({{zh|labels=no|s=沥港镇|t=|p=}}).<ref name=":7" /> The district's 14 townships were Ma'ao Township (now a subdistrict), Shantan Township ({{zh|labels=no|s=山潭乡|t=|p=}}), Changbai Township ({{zh|labels=no|s=长白乡|t=|p=}}), Dasha Township ({{zh|labels=no|s=大沙乡|t=|p=}}), Yandun Township ({{zh|labels=no|s=烟墩乡|t=|p=}}), Mamu Township ({{zh|labels=no|s=马目乡|t=|p=}}), Cezi Township ({{zh|labels=no|s=册子乡|t=|p=}}), Shijiao Township ({{zh|labels=no|s=石礁乡|t=|p=}}), Yancang Township (now a subdistrict), Ziwei Township ({{zh|labels=no|s=紫微乡|t=|p=}}), Changzhi Township ({{zh|labels=no|s=长峙乡|t=|p=}}), Beichan Township ({{zh|labels=no|s=北蝉乡|t=|p=}}), Panzhi Township ({{zh|labels=no|s=盘峙乡|t=|p=}}), and Damao Township ({{zh|labels=no|s=大猫乡|t=|p=}}).<ref name=":7" />

By 2000, Ma'ao was promoted from a township to a town.<ref name=":7" />

In September 2004, Lincheng was promoted from a town to a subdistrict.<ref name=":6" />

In May 2008, the town of Jintang was set up.<ref name=":6" />

In 2017, Qiandao Subdistrict split off from Lincheng Subdistrict.<ref name=":6" />

== Demographics == As of 2019, Dinghai District has a population of 399,382 people, an increase of 1,813 (0.456%) from 2018.<ref name=":1" /> The district has 96.58 males per 100 females.<ref name=":1" />

In the 2000 Chinese Census, the district had a population of 369,448.<ref name=":7" />

== Economy == The district had a GDP of ¥31 billion as of 2011.<ref>{{Cite web |url=http://www.zhoushan.gov.cn/html/233415.html |title=首页>>经贸要讯>>经贸要讯>>2011年定海区Gdp首次突破300亿元 |access-date=2013-01-31 |archive-date=2013-02-19 |archive-url=https://archive.today/20130219202139/http://www.zhoushan.gov.cn/html/233415.html |url-status=dead }}</ref>

== People ==

* Jin Weiying (金维映) * Qiao Shi（乔石） * San Mao（三毛）

==References== {{reflist}}

== External links == * [http://www.dinghai.gov.cn Official site] {{in lang|zh}}

{{County-level divisions of Zhejiang}} {{authority control}}

Category:Districts of Zhoushan Category:Island counties of China