NORTHERN OF VIETNAM

Hanoi city
Hai Phong city                                 Phu Tho
Dien Bien                                        Quang Ninh
Hoa Binh                                         Thai Nguyen
Lai Chau                                         Tuyen Quang
Lao Cai                                           Bac Ninh
Son La                                            Ha Nam
Yen Bai                                           Hai Duong
Bac Giang                                       Hung Yen
Bac Kan                                          Nam Dinh
Cao Bang                                        Ninh Binh
Ha Giang                                        Thai Binh
Lang Son                                        Vinh Phuc