Dong Nai is a province in the Southeast of the Socialist Republic of Vietnam, covering an area of 5,903,940 km², accounting for 1.76% of the country's natural area and accounting for 25.5% of the region's natural area. South East. The province has 11 subordinate administrative units including: Bien Hoa City - the center of political economy and culture of the province; Long Khanh town and 9 districts: Long Thanh;Nhon Trach;Trang Bom;Unified;Cam My;The eternal;Xuan Loc;Định Quán;Tan Phu.
As a province in the southern key economic development region, Dong Nai borders with the following areas: The East borders on Binh Thuan province, the Northeast borders on Lam Dong province, the West borders Ho Chi Minh City, the WestThe North borders Binh Duong and Binh Phuoc provinces, the South borders Ba Ria - Vung Tau province. Dong Nai is a province with convenient transportation system with many arterial routes running through such as: National road 1A, national road 20, national highway 51;North - South railway line;Close to Saigon Port, Tan Son Nhat International Airport has created favorable conditions for economic activities in the region as well as trade with the whole country and plays a role in linking the Southeast region with the Central Highlands.
Topographic: Dong Nai province has terrain of plains and plains with scattered mountain ranges, which tend to be lower in the North-South direction. The main terrain types can be distinguished as follows: a) Plain terrain includes 2 types: - River terraces have a height of 5 to 10 m or some places are only 2 to 5 m high along the rivers and form narrow strips with widths varying from a few dozen meters to several kilometers. The land on this terrain is mostly modern Aluvi. - Low-lying terrain on marine marshy sediments: are low-lying areas in Dong Nai province with elevations ranging from 0.3 to 2 m, some places below sea level, frequently flooded, and networked. intermittent rivers and canals, covered by mangroves. The material is heterogeneous, has a lot of clay and organic material deposited.
b) Wavy hill form: Altitude from 20 to 200m. Including the basalt hills, the terrain surface is very flat, sloping, the slope is from 30 to 80. This type of terrain occupies a large area compared to other types of terrain covering most of the basalt, ancient alluvium. Soil distributed on this terrain consists of yellow red soil and gray soil. c) Low mountainous terrain type: Including scattered mountains and the last part of Truong Son mountain range with the height varying from 200 - 800m. This topography is mainly distributed in the North of the province in the boundary between Tan Phu district and Lam Dong province and some mountains in Dinh Quan and Xuan Loc districts. All of these mountains have elevations (20–300), exposed mother rocks in clusters with mainly granite, shale rocks. In general, the soil of Dong Nai has relatively flat terrain, with 82.09% of the land with slope <80.92% of land with slope <15 °, lands with slope> 15 ° account for about 8%.
Land: Dong Nai province has a rich and fertile land fund. However, according to its origin and soil quality, it can be divided into the following 3 general groups: * Soils formed on basalt: Including pumice soil, black soil, red soil with high fertility, accounting for 39.1% of the natural area (229,416 ha), distributed in the North and Northeast of the province. . These soils are suitable for short and long-term industrial crops such as rubber, coffee, pepper ... * Soils formed on ancient alluvium and on shale such as gray, gray-brown, patchy soil accounting for 41.9% of the natural area (246,380 ha), distributed in the South and Southeast of the province ( Vinh Cuu, Thong Nhat, Bien Hoa, Long Thanh and Nhon Trach districts). These soils often have poor fertility, suitable for short-term crops such as beans, beans ... some fruit trees and perennial industrial trees such as cashew ... * Soils formed on new alluvial soil: alluvial soil, sandy soil. Distributed mainly along rivers such as Dong Nai and La Nga rivers. Good soil quality, suitable for many crops such as food crops, vegetables, fruits and vegetables ... - Total area of the province: 590,723 ha.Including: agricultural land: 277,641 ha;forestry land: 181,578 ha;Special purpose land: 49,717 ha; residential land: 16,763 ha; Unused land: 897 ha; River and stream land and special-use water surface: 52,715 ha. The land use situation of the province in recent years has changed somewhat, but up to now, Dong Nai is still the province with the largest agricultural land size in the Southeast.
Climate: - Dong Nai is located in the tropical equatorial monsoon region, with a temperate climate, less affected by natural disasters, fertile soil (mostly basalt red soil), with two contrasting seasons (seasonsdry and rainy season). - High temperature throughout the year is a suitable condition for the development of tropical crops, especially industrial crops with high export value. - The average annual temperature in 2009 is: 25.9 ° C - The average number of sunny hours in 2009 is: 2,454 hours
The rainfall is relatively large and distributed by region and the crop is relatively large, about 2,301.6 mm distributed by region and season.Therefore, Dong Nai has soon established short-term and long-term industrial tree growing areas, famous fruit tree areas, ... along with many beautiful natural landscapes, creating favorable conditions for the tourism industry to develop.development. - The average average humidity in 2009 is 82% Population: The population of the province as of 2014 was 2,839 million.
Electricity supply: Using the common electricity source of the national electricity grid. In 2010, the electricity used in the province reached over 6.1 billion kwh. The 110/220 KV high voltage grid distribution system with 2,400 MVA transformer stations, 15/22 KV medium voltage grid with 2,500 MVA transformer stations has covered 171 wards and communes in the province, meeting demand for power supply for investors.
Water supply: In 2010, Dong Nai's water supply capacity reached 320,000m³ / day and by 2015 reached 550,000m ngày / day, sufficient to supply water for urban residents and industrial projects in industrial parks.
Telecommunication: Dong Nai's telephone and telecommunication network has been able to directly contact provinces in the country and countries around the world, including high-speed Internet services (ADSL), data transmission. (DDN, xDSL, Frame relay, Leased line ...), Video Conference ... Good implementation of courier, DHL, EMS, CPN ... In 2010, an average of 100 people had over 121 telephone subscribers, 20 , 5 internet subscribers.
Dong Nai has a convenient transportation system with many national arterial roads passing such as National Road 1A, Highway 20, Highway 51; North - South railway line; near Tan Son Nhat international airport, near Saigon port cluster, Thi Vai - Vung Tau port cluster ..., convenient for domestic and international trade.
Currently, the Government has started construction of regional transport projects: Ho Chi Minh City - Long Thanh - Dau Giay highway; Upgrading National Highway 51 Bien Hoa - Vung Tau; and is planning to deploy investment in construction of important infrastructure works:
- Long Thanh international airport will have 100 million passengers / year and 5 million tons of cargo / year.
- Phuoc An deep water port, vessel capacity of 60,000 DWT. Group V seaport cluster of Nhon Trach district has a tonnage of 30,000 DWT.
- Bien Hoa - Vung Tau railway
- Bien Hoa - Vung Tau Expressway -Project project from District 9 Ho Chi Minh City to Nhon Trach, Dong Nai.
-The belt roads 3, 4 connecting the key economic regions
3. Resources: - Dong Nai has many diversified and abundant resources, including gold, tin and zinc mineral resources;many quarries, kaolin, peat, clay, river sand;forest resources and water resources ... - In addition, Dong Nai also develops fisheries based on the system of dams and rivers.In particular, Tri An lake has an area of 323km² and over 60 rivers and canals, which is very convenient for the development of a number of aquatic products such as fish for rafts and shrimp ....
Dong Nai is a land of ancient civilization with many valuable cultural and historical relics, and favorable natural conditions for convalescence, ecotourism, garden tourism, cultural festival tourism ...Some areas with potential for tourism development in Dong Nai include Cat Tien National Park, Dong Nai River, War-D cultural and historical site, Buu Long tourist area, Cu Lao Pho, Tan Trieu pomelo village, Thac Mai.- Hot water lake, archaeological relics: Hang Gon ancient tomb, Binh Da stone herd, and many planned tourist areas and destinations in Bien Hoa city, Nhon Trach, Trang Bom, Vinh Cuu and Tan Phu districts., Định Quán, ...