Question: Gujiao and Baicheng are both located where?

Context paragraphs:
Baicheng: Baicheng () is a prefecture-level city in the northwestern part of Jilin province, People's Republic of China, bordering Inner Mongolia to the north and west and Heilongjiang to the east and northeast.  At the 2010 census, 2,033,058 people resided within its administrative area of 25683 km2 .

Baicheng Chang'an Airport: Baicheng Chang'an Airport () (IATA: DBC, ICAO: ZYBA) is an airport being built in the city of Baicheng in China's northeastern Jilin Province.  It is located in the town of Taohe (洮河) in Taobei District, 16.5 kilometers from the city center.  The airport received approval from the central government on October 14, 2012, and construction began on October 26, 2012.  The total investment is 480 million yuan.

Gujiao: Gujiao () is a county-level city in Shanxi province, People's Republic of China.  It is administered by the prefecture-level city Taiyuan.  Gujiao's population in 1990 stood at 173,022.  Its estimated current population is 210,000.

Lingxia, Jilin: Lingxia () is a township of Taobei District, Baicheng, in northwestern Jilin province, People's Republic of China, located less than 5 km southeast of the border with Inner Mongolia.  It is served by China National Highway 302 and G12 Hunchun–Ulanhot Expressway, and as the crow flies, is more than 40 km northwest of downtown Baicheng and 37 km southeast of Ulan Hot, Inner Mongolia.  , it has 5 residential communities (社区) and 11 villages under its administration.

Sanhe Township, Baicheng: Sanhe () is a township of Taobei District, Baicheng, Jilin, People's Republic of China, located in the western suburbs about 9 km from downtown and south of the border with Inner Mongolia.  , it has 12 villages under its administration.

2009 Shanxi mine blast: The Shanxi mine blast () was a pre-dawn explosion that occurred in a mine in Gujiao city near Taiyuan, the capital of Shanxi province of China on 21 February 2009.  Four hundred and thirty six were in the mine at the time of the explosion.  According to the state-run Xinhua News Agency, rescue efforts concluded at 6 p.m. (CST), February 22 with all trapped miners located; the death toll was 74, with 114 in the hospital and five in critical condition.  Many of the injured are being treated for carbon monoxide poisoning.  The death toll indicates that this is the most lethal accident reported in China's mining industry since December 2007, when 105 people died in a mine explosion—that accident also took place in Shanxi.

Dongsheng Township, Baicheng: Dongsheng Township () is a township of Taobei District, Baicheng, in northwestern Jilin province, People's Republic of China, located more than 25 km north-northwest of downtown Baicheng.  , it has 21 villages under its administration.

Kizil Caves: The Kizil Caves (also romanized Qizil Caves, spelling variant Qyzyl) are a set of Buddhist rock-cut caves located near Kizil Township (克孜尔乡 , "Kèzī'ěr Xiāng") in Baicheng County, Xinjiang, China.  The site is located on the northern bank of the Muzat River 65 kilometres (75 km by road) west of Kucha.  This area was a commercial hub of the Silk Road.  The caves are said to be the earliest major Buddhist cave complex in China, with development occurring between the 3rd and 8th centuries.

Pingtai, Jilin: Pingtai () is a town of Taobei District, Baicheng, in northwestern Jilin province, People's Republic of China, located more than 20 km west of downtown Baicheng.  , it has one residential community (社区) and 14 villages under its administration.

Supporting paragraphs: Gujiao Baicheng
Answer: People's Republic of China