Gia Nghia city has a complex topography, consisting of many rugged mountain ranges interspersed with many large and small natural streams, forming a strongly divided terrain. The topography of the city tends to lower from north to south, from east to west, with the National Highway 14 axis, an important backbone traffic axis linking the region's economic centers with neighboring regions; Highway 14C is the axis connecting the border gate economic zones along the border corridor, with Highway 28 connecting the city with Da Lat - the tourist center of the country.

With a favorable geographical location, Dak Nong province in general and Gia Nghia city in particular can expand exchanges with other provinces in the Southern key economic regions and Central Coast, and strengthen linkages. between Dak Nong and the provinces in northeastern Cambodia on market expansion and development of inter-regional and international cooperation.

Gia Nghia is considered a nuclear city with the function of transitioning activities from the Central Highlands to the Southeast (the most dynamically developed region in the country) connecting with the South Central Coast - an open direction. to seaports to transport bulk goods. It is also a functional complementary nucleus that connects activities along the East-West corridor and the extended Mekong sub-region, to development regions to promote the region's comparative advantages.

The city has many advantages in geographical location and is an important city in the Central Highlands and of Vietnam (the center of bauxite industry), attracting and having a large impact on surrounding provinces and internationally. .
Gia Nghia city has a tropical monsoon climate with distinct rainy and dry seasons. The rainy season lasts for 7 months from April to October, the dry season from November to March next year [5]. In the rainy season, the total rainfall accounts for 80% of the annual rainfall, the annual average rainfall: 2,503 mm, the driest monthly rainfall is 12.2 mm. Average annual air humidity is 85%. Above 600m above sea level. Average annual temperature is 22.4 ° C, average temperature of the coldest month is 20.1 ° C, average temperature of the hottest month is 23.9 ° C [5].

Gia Nghia city has 8 affiliated commune-level administrative units, including 6 wards: Nghia Duc, Nghia Phu, Nghia Tan, Nghia Thanh, Nghia Trung, Quang Thanh and 2 communes: Dak Nia, Dak R’Moan

Before 1975, Gia Nghia was the capital of the old Quang Duc province, at that time Gia Nghia was at the commune level, there were 3 villages Nghia Duc, Nghia Thanh, Nghia Tin. After Quang Duc province was merged into Dak Lak province, Gia Nghia became the district town of Dak Nong district.

On November 26, 2003, the National Assembly issued Resolution 22/2003 / QH11 dividing Dak Lak province into Dak Lak and Dak Nong [6], Dak Nong district of Dak Nong province. At the same time, the capital of Dak Nong province is located in Gia Nghia town.

On June 27, 2005, the Government issued Decree No. 82/2005 / ND-CP [1]. Whereby:

Gia Nghia town was established on the basis of separating Gia Nghia town and two communes Dak Nia and Quang Thanh of Dak Nong district
Rename the rest of Dak Nong district to Dak Glong district
Establishing 5 wards: Nghia Duc, Nghia Phu, Nghia Tan, Nghia Thanh, Nghia Trung in Gia Nghia town on the basis of dissolving Gia Nghia town and adjusting part of natural area and population of Dak Nia communes , Quang Thanh
Divide Quang Thanh commune into 2 communes: Quang Thanh and Dak R'Moan.
After its establishment, Gia Nghia town had 8 affiliated administrative units, including 5 wards: Nghia Duc, Nghia Phu, Nghia Tan, Nghia Thanh, Nghia Trung and 3 communes: Dak Nia, Dak R'Moan, Quang Thanh. .

On February 12, 2015, the Ministry of Construction issued Decision No. 209 / QD-BXD recognizing Gia Nghia town as a grade III city directly under Dak Nong province. [3]

On December 17, 2019, the Standing Committee of the National Assembly issued Resolution 835 / NQ-UBTVQH14 (effective from 1 January 2020) [2]. Whereby:

Quang Thanh ward was established on the basis of the entire 77.59 km² of natural area and 7,583 inhabitants of Quang Thanh commune
Gia Nghia city was established on the basis of the 284.11 km² of natural area and 85,082 inhabitants of Gia Nghia town.
After establishment, Gia Nghia city has 6 wards and 2 communes.

In Gia Nghia city, there are 19 ethnic groups living together including Kinh, Ma, M'Nong, Thai, Nung, Tay, Muong, H'Mong, Khmer, Dao, Gia Rai, Hoa, Cao. Lan, Ede, Cho ro, San Diu, San chay, San chi, Xo Dang, Kinh. In addition, there are 3 main religions in operation including Christianity, Protestantism, and Buddhism.