С французской визой в Хорватию и Словению

[R2D2]

Для россиян виза нужна. http://www.slovenya.ru/slovenia/visas/ .

Через Словению возможен транзит до 15 суток при наличии в паспорте действующей шенгенской визы с более-менее длинным сроком действия:

SLOVENIA (SI)

Passport (must be valid for at least the period of intended
stay) required.

Visa required.

However, visa not required for:
1. a max. stay of 15 days, provided holding "Type C" visa which
is valid for all Schengen states (see: TIRGL/SCHS ) and
valid for more than 15 days on day of entry; or
2. the purpose of transiting through the territory of Slovenia,
for a max. transit period of 5 days, provided holding:
- a valid Schengen type B, C, or D visa; or
- visa for Bulgaria, Cyprus, Czech Rep., Estonia, Hungary,
Latvia, Lithuania, Malta, Poland, Romania or Slovak Rep..

Visitor is recommended to hold:
- all documents required for next destination; and/or
- sufficient funds (adults at least EUR 70.- and minors under
18 years of age at least EUR 35.- or equivalent in any hard
currency per day of stay).