Entity data for the Philippines' 81 provinces + NCR and ~25 national government entities.
| Source | URL | Data Provided |
|---|---|---|
| Philippine Statistics Authority (PSA) | psa.gov.ph | Population data, provincial structure |
| GADM (v4.1) | gadm.org | Administrative boundaries (provinces) |
| Wikipedia - Provinces of the Philippines | wikipedia.org | Administrative divisions (verification) |