Uber does not operate in Serbia. Use CarGo or Yandex Go for rides instead. Viber dominates messaging here; install it before you arrive as locals rely on it over WhatsApp. Serbia uses the Serbian Dinar (RSD).
Widely recommended for favorable exchange rates when spending in Serbian dinar (RSD).
These apps need data
Guac eSIM covers Serbia with plans from $1.50 per GB. Install it before you land and activate instantly.