Family name Grdisa (Grdisa 
) , all around the world, is a very rare last name. The family name Grdisa is characteristic of Slovenia, where it is a rare surname, Croatia, where it is a very rare surname, and Canada. Measured by absolute frequency, it most frequently occurs in Slovenia, Germany, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Grdisa | Germany, Croatia, Canada, Slovenia |