Question: Which has a greater area, Quanzhou or Ningguo?

Context paragraphs:
Ningguo: Ningguo () is a county-level city in the province of Anhui，People's Republic of China, under the administration of Xuancheng City.  It has a population of 380,000 and an area of 2447 km2 .

Metropolitan area: A metropolitan area, sometimes referred to as a metro area, greater area, commuter belt or conurbation, is a region consisting of a densely populated urban core and its less-populated surrounding territories, sharing industry, infrastructure, and housing.

Quanzhou dialect: The Quanzhou dialect (), also known as the Chin-chew dialect or the , is a Hokkien dialect that originally comes from Southern Fujian (in southeast China), in the area centered on the city of Quanzhou.  The Quanzhou dialect has an intelligibility of over 90% with other dialects of Hokkien such as Amoy and Zhangzhou.  For this reason, the Quanzhou dialect is often simply called Hokkien or Min Nan.

Quanzhou: Quanzhou, formerly known as Chinchew, is a prefecture-level city beside the Taiwan Strait in Fujian Province, China.  Its is Fujian's largest metropolitan region, with an area of 11,245 km2 and, as of the 2010 census, a population of 8,128,530.  Its built-up area is home to 6,107,475 inhabitants, encompassing the Licheng, Fengze, and Luojiang urban districts; Jinjiang, Nan'an, and Shishi cities; Hui'an County; and the Quanzhou District for Taiwanese Investment.  Quanzhou was China's 12th-largest extended metropolitan area in 2010.

Guan River: The Guan River (), also known as Guanyang River (), is a right-bank tributary of the upper Xiang River in Guilin, Guangxi, China.  The river rises in Liziping () of Dazhuyuan Village (), Dongjing Township, Guanyang County.  Its main stream runs generally southwest to northeast through Guanyang and Jiahe counties, and it joins the Xiang at Xiaonan Village () of Quanzhou Town, Quanzhou.  The Guan River has a length of 176.63 km , with its tributaries, and the drainage basin covers an area of 2,285.7 km2 .

New Town Road: New Town Road is a link road that connects Elizabeth Street to the Main Road within the greater area of Hobart, Tasmania.  This road has seen less usage since the construction of the Brooker Highway which allows traffic to move directly to the main road and onto the northern area of the state.

Anhai: Anhai is a town in southern Fujian, China.  It is located in the far southern suburbs of the Quanzhou metropolitan area.  and is separated by Weitou Bay () from Kinmen, which is controlled by Taiwan.  Administratively, Anhai is part of Jinjiang County-level City, which in its turn is subordinated to Quanzhou.

Jinjiang, Fujian: Jinjiang () is a county-level city of Quanzhou City, Fujian Province, China.  It is located in the southeastern part of the province, on the right or south bank of the Jin River, across from Quanzhou's urban district of Fengze.  Jinjiang also borders the Taiwan Strait of the East China Sea to the south, and Quanzhou's other county-cities of Shishi and Nan'an to the east and west, respectively.  It has an area of 721.7 km2 and a population of 1,986,447 as of 2010.

Vanga, Bandundu: Vanga (vɑːɳɢ/ə/) is a city in Bandundu Province in the Democratic Republic of the Congo, approximately 340 km east of the capital city Kinshasa.  Vanga is in the Kwilu District in the Bulungu Territory.  Vanga is known for its large medical center that supports the greater Bandundu region.  The greater area is considered a "citè" surrounding the hospital.

Arbroath Infirmary: Arbroath Infirmary is a hospital serving the town of Arbroath and the greater area of Angus, Scotland.  Arbroath has a population of over 36,000 and the greater area served is over 60,000.  The hospital is situated at the top of Rosemount Road and is part of NHS Tayside.  It is separated into two wings.  The Queen Mother wing hosts the maternity, minor injuries unit and outpatient department.  The main wing consists of the medical unit with a female and a male medical ward, a physiotherapy gym and the X-ray department.  There is also a kitchen in the main wing with a dining room.  The operating theatre is no longer in use but is located in the main wing.  There is no accident and emergency department in this hospital.

Supporting paragraphs: Quanzhou Ningguo
Answer: Quanzhou