Terms of use

Draft — the official text will be published here.

Service

tinhthanhpho.com, run by HVN Group, provides lookups and conversion of Vietnamese administrative units before and after 1 July 2025. Results are for reference; the legal texts cited on each page prevail.

Accounts and API keys

Keep your API keys secret. Use within the published rate limits and monthly quota. We may suspend keys used abusively.

Open data

Datasets under /data are licensed CC BY 4.0: credit "tinhthanhpho.com". Third-party sources are credited on each page.

Liability

We correct reported errors as quickly as we can but do not guarantee that every result is free of error.