Nghi Son, Thanh Hoa
Total area:491.9 ha
Vacant area:321.63 ha
Song Cong, Thai Nguyen
Total area:250 ha
Vacant area:NA
Tien Lu, Hung Yen
Total area:30 ha
Vacant area:NA
Duy Tien and Tien Son Ward, Ninh Binh Province
Total area:237.29 ha
Vacant area:181.72 ha
Hai An, Hai Phong
Total area:232000 m²
Vacant area:NA
Duy Tien, Ninh Binh
Total area:223 ha
Vacant area:116 ha