Surname Calaku (Calaku 
) , globally, is a very rare last name. The surname Calaku is characteristic of Albania, where it is quite a rare surname, Greece, where it is a rare surname, and Germany, where it is an extremely rare surname. Much less frequently, Calaku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Calaku | Greece, India, Albania, Germany, United States |