| Information | |
|---|---|
| Name | Khu 1 |
| Postal Code | 202031, 202034, 202035, 202036, 202037, 202038, 202039, 202040, 202041, 202042, 202043, 202044, 202045, 202046, 202047, 202048 |
| Wards | Cao Xanh |
| Provincial cities | Hạ Long |
| Provinces | Quảng Ninh |
| Regions | Đông Bắc |
| Place Type | town | Language | VI | HASC |
| Daylight Saving Time | NOT APPLICABLE |
| Local Date |
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| Local Time |
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