Duc Hue is located at the northeast edge of Dong Thap Muoi region, adjoining to Southeast Region where is the transition from the Southeast to Mekong River Delta Region. With the above mentioned geographical location, the district receives the freshwater source from Dau Tieng Lake which helps Duc Hue District to promote the advantage in producing the typical agricultural products of Mekong River Delta Region such as: rice, sugarcane, animals (pig, cows, ducks), shrimps, fish and forestry product (melaleuca). In addition, thanks to located nearest to the border gate from Cambodia to Hau Nghia Town to Ho Chi Minh City, the district has the advantage for developing service and trade (import and export activities through the border gate), attracting the investments into the district (farm, service, trade etc.). In the future, when the main traffic axes and border ring roads N1 are completed, Duc Hue shall have the great opportunities to exploit the socio-economic development advantages, especially in service economy to contribute to transit the economy mechanism following modernization and industrialization.
Besides above mentioned advantages, the geographical location also brings about some restrictions to Duc Hue district as follows: because this is the transition location between the Southeast Region and Mekong River Delta Region with the overlapping of Pleitocene and new alluvial as well as the alum coating, therefore, 100% soil is of "having problem" land category. In addition, when Dau Tieng Lake is not yet completed, the entire Duc Hue district is contaminated with saline with the volume of 4g/l for 3-4 months/year and the infrastructure is not yet invested properly, the district is the poorest district of Long An province (with the percentage of poor households of 19.3%). At the same time, with 25km of border line (in 4 communes), the district is the "hot location" of smuggling with the participation of many people which causes the delays in agricultural production because it is easy to earn money than honest work.
The district consist of Dong Thanh Town-the center of the district and 10 communes of My Thanh Dong, My Quy Dong, My Quy Tay, My Thanh Tay, Binh Thanh, My Thanh Bac, Binh Hoa Bac, Binh Hoa Nam, Binh Hoa Hung, My Binh (separated from Binh Hoa Hung commune).