Surname Hatja (Hatja 
) , in the entire world, is a very rare last name. The surname Hatja is characteristic of Greece, where it is a rare surname, Philippines, where it is an extremely rare surname, and India. Likewise, Hatja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hatja | Philippines, United States, India, Greece, France |