PRETORIA - The International Relations Department is urging South Africans in Iran to register with its embassy.
But it says there may be little it can do to help in emergencies.
Iran is embroiled in a deadly conflict with Israel.
The countries have been lobbing missiles at each other.
Ten Israelis were injured on Sunday, while almost 250 Iranians have been killed.
There are concerns that South Africans may end up in the crossfire.
But, government says it has limited support in the country and may not be able to help.
It's urging citizens to assess their safety and security and act accordingly.