Long Dien commune: established on the basis of merging the entire natural area and population of Long Dien town, Tam An commune (belonging to the old Long Dat district).
Headquarters of the Party Committee - People's Council - People's Committee - Vietnam Fatherland Front Committee of the ward - Public Administration Service Center: 1939 National Highway 55 (old Long Dien District Administrative Center).
Headquarters of the Ward Military Command: An Phuoc Hamlet (headquarters of the People's Committee of the old An Ngai Commune).
Ward Police Headquarters: 409 Vo Thi Sau, Long Tan Quarter (old Long Dien Town Police Headquarters), and on Provincial Road 44B, Phuoc Lang Hamlet (old Tam An Commune Police Headquarters).
Dat Do commune: established on the basis of merging the entire natural area and population of Dat Do town, Lang Dai commune, Long Tan commune, Phuoc Long Tho commune.
Headquarters of the Party Committee - People's Council - People's Committee: Provincial Road 44B, Hiep Hoa quarter (headquarters of the People's Committee of the old Long Dat district).
Public administrative service center: 6 Le Hong Phong (headquarters of the old Long Dat District People's Committee One-stop Department).
Headquarters of the Military Command: Phuoc Trung Hamlet (headquarters of the People's Committee of the old Phuoc Long Tho Commune).
Commune Police Headquarters: National Highway 55, Thanh Binh Quarter (old Long Dat District Police Headquarters); Group 39, Cay Cam Hamlet (old Lang Dai Commune Police Headquarters); Group 5, Tan Hiep Hamlet (old Long Tan Commune Police Headquarters); 6 Le Hong Phong (Department 1, Old Long Dat District People's Committee).
Long Hai commune: established on the basis of merging the entire natural area and population of Long Hai town, Phuoc Tinh commune, Phuoc Hung commune.
Headquarters of the Party Committee - Vietnam Fatherland Front Committee of the commune: 63 Hung Vuong, Hai An hamlet (headquarters of the People's Committee of the old Long Hai town).
Headquarters of the People's Council - People's Committee - Public Administration Service Center: 45 Huong Lo 5, Phuoc Loi Hamlet (headquarters of the People's Committee of the old Phuoc Tinh Commune).
Headquarters of the Commune Military Command: Nguyen Tat Thanh Street, Hai An Hamlet (headquarters of the old Long Hai Town Military Command).
Commune Police Headquarters: 39 Hai Ba Trung, Hai Son Hamlet (old Long Hai Town Police Headquarters); Huong Lo 5, Phuoc Thang Hamlet (old Phuoc Tinh Commune Police Headquarters) and Group 11, Hai Lam Hamlet (old Phuoc Hung Commune Police Headquarters).
Phuoc Hai commune: established on the basis of merging the entire natural area and population of Phuoc Hai town, Phuoc Hoi commune.
Headquarters of the Party Committee - Vietnam Fatherland Front Committee of the commune: Hoi My hamlet (headquarters of the People's Committee of the old Phuoc Hoi commune).
Headquarters of the People's Council - People's Committee - Public Administration Service Center: Hoi My Hamlet (headquarters of the Military Command of the old Phuoc Hoi Commune).
Headquarters of the Commune Military Command: My An Hamlet (headquarters of the People's Committee of the old Phuoc Hai Town).
Commune Police Headquarters: Vo Thi Sau Street, Phuoc An Quarter (old Phuoc Hai Town Police Headquarters).