Da Nang city ▹ Business Registration Office in Da Nang city Address : floor 6, Da Nang Administration Center, 24 Tran Phu street, Thach Thang ward, Hai Chau district, Da Nang city Map : https://goo.gl/maps/U2W3DLgD9truWnXP9 Phone : (0236) 3821 755 Email : dkkd.