Three Australian men accused of gang-raping a teenage backpacker in Croatia have reportedly been allowed to return home after pleading guilty to the charges.

The men, one aged 21 and two aged 23, had not been allowed to leave Croatia since last July after they were charged with raping the 17-year-old Norwegian girl in the toilet of a nightclub.

The city of Split on Croatia's Dalmatian Coast.

But the men have been allowed to return to Australia under a plea deal whereby they admitted the charges and paid the teen's family about $30,500 in total in exchange for a suspended jail sentence, News Corp reported.

The trio reportedly left Croatia after the deal was made public and were due to arrive in Australia yesterday.