There is a very comperhensive bus network connecting all parts of the country. There are regular international bus services connecting Croatia with Austria, Italy, Hungary, France, Germany, Slovakia, Slovenia and Bosnia & Hercegovina.

Bus service between major cities (intercity lines) is quite frequent, as well as regional services. The most frequent bus terminal in Croatia is Bus Terminal Zagreb (in Croatian "Autobusni kolodvor Zagreb")

"BUS TERMINAL ZAGREB"
 

On their official pages you can find the timetable of all arrivals to Zagreb and departures from Zagreb. For more information you can  conntact

+385/1/ 6157 983