Iranians are voting, selecting a successor to controversial President Mahmoud Ahmedinejad.
His re-election four years ago resulted in widespread protests amid claims the poll was rigged.
The ruling clerics have done their best to avoid that claim this time, by barring reformist candidates from standing.
It may not be much of a choice, but more than 50 million people, in Iran and abroad, are eligible to vote.
In Sydney, the community is divided about whether to even bother taking part.
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ANU Professor and Director of the Centre for Arab and Islamic Studies, Amin Saikal, talks about the possible result of the Iranian election.
HEAR MORE FROM THE VOTERS IN SYDNEY
Iranian Australian Reza Roshandel: 'Next president important for the economy'
Iranian Australian Eisa Zarepour: 'Peaceful nuclear power is OK'
