The men were the last Australians still imprisoned in Indonesia for trying to smuggle heroin in 2005, in a case that became a diplomatic flashpoint between the countries.

The five remaining members of the so-called Bali Nine drug-smuggling ring have returned to Australia after serving nearly two decades in Indonesian prisons.

Australia's prime minister says five Australians who have spent almost 20 years in Indonesian prisons for heroin trafficking have returned to Australia under a deal struck between the two governments