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Cognomen Promkongbun (Promkongbun ) , in the entire world, is a very rare surname. The last name Promkongbun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Promkongbun | Thailand |
Aporn, Polpoj, Vichok, Laddaporn, and Chanaradee