The Wallabies will head to Port Elizabeth to take on the Springboks in 2018, for the first time in 55 years.
South Africa announced its 2018 home Tests overnight, with Australia in for a trip to the Eastern Cape, their first since 1963, which South Africa won 22-6.
Australia will head to Argentina after the Springboks clash, before the third Bledisloe in Tokyo next year.
The Wallabies have already announced their home calendar for 2018, with Tests in Brisbane and the Gold Coast during the Rugby Championship.
Australia will open its 2018 Test series against Ireland in June.
Australia-Ireland 2018 Series
Saturday June 9 – Australia vs Ireland Suncorp Stadium, Brisbane
Saturday June 16 – Australia vs Ireland, AAMI Park, Melbourne
Saturday June 23 – Australia vs Ireland, Allianz Stadium, Sydney
Saturday August 18 – Australia vs New Zealand, ANZ Stadium, Sydney
Saturday August 25 – New Zealand vs Australia, Eden Park, Auckland
Saturday September 8 – Australia vs South Africa, Suncorp Stadium, Brisbane
Saturday September 15 – Australia vs Argentina, Cbus Super Stadium, Gold Coast
Saturday September 29 – South Africa vs Australia, Port Elizabeth
Saturday October 6 – Argentina vs Australia, TBC
Saturday October 20, New Zealand vs Australia, Nissan Stadium, Yokohama
Spring Tour (full fixture TBC)
Saturday November 24 – England vs Australia – Twickenham, London