Post Offices in Croatia are open from 7 AM to 7 PM, and on Saturdays until 1 PM. In larger cities you can find post offices which are opened from 7 a.m. to 10 p.m.
If you wish to send a postcard from your trip to Croatia, you will need postal stamps which you can buy in a post office or news stands.
For all other information you can call for free a call canter from 8 AM to 8 PM 0800 303 304. write an e-mail info@posta.hr, or visit posta.hr, Croatia’s postal service website.