All around the world, Gerca (Gerca 
, Герца 
) is a rare feminine forename. The forename Gerca is characteristic of the Democratic Republic of the Congo, where it is a rare girly name, and Brazil, where it is an extremely rare gender-neutral name. Much less frequently, Gerca is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gerca | Brazil, Mexico, Latvia, Democratic Republic of the Congo, Venezuela |
| Герца | Russia, Ukraine |