Police would not confirm if he was a member of the anti-Islam Reclaim Australia group but said he had a "number of affiliations to different organizations".
The Joint Counter-Terrorism Team, which took part in the operation on Saturday, has been carrying out a series of raids in various cities amid increasing concern about home-grown extremism.
Canberra raised the terror threat alert level to high in September 2014, while parliament has passed a suite of new national security laws.
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