The Al-Furqan centre is host to a religious instruction school which also hosts lectures and discussions about Islam.
They also appear to be involved in collecting funding for the conflict in Syria, where mainly Sunni rebels are fighting against the Shia-backed regime of Bashar al Assad.
Community sources said those associated with the centre were regarded as 'fringe dwellers' by Melbourne's mainstream Islamic organisations and were known to court controversial views.
The imam of the nearby Bosnian mosque in Noble Park, Ibrahim Omerdic, said Sheikh Harun - formerly known as Harun Mehicevic - led a group of more radical followers away from the Noble Park mosque about ten years ago.
Mr Omerdic described Sheikh Harun as a very patriotic Bosnian, but said he left with a small group of followers and went on to form the Al-Furqan Islamic Centre after doctrinal disagreements.
"I don't like his line," Mr Omerdic said. "They radicalised matters regarding women and men. He said Muslims are not allowed to vote. That’s what he is preaching to his followers."
The Al-Furqan centre's website includes links to a series of Wahhabi-influenced publications, including a British e-book called The Secret World.
After discussing how Western "infidels" have invaded and colonised the Middle East the book states: "People have to take it upon themselves to change the situation. This will mean that they will have to make sacrifices. They may have to sacrifice their way of life, their careers, their reputation and perhaps their lives."
Wahhabism is a conservative offshoot of Islam's most populous branch, Sunni. It preaches a return to the original style of Islam practised centuries ago.
Since the attacks of September 11, 2001, it has increasingly also been linked to the global Islamist jihad.
The centre's Facebook page also provided a link to two YouTube videos created by "Al-Furqan Melbourne" entitled "Exposition of Spying in the Melbourne Muslim community".
Both include audio of a man named as Abu Talha talking about the recent discovery of a document which he says is a transcript of two men talking about "spying" for ASIO on their centre and a group of colleagues from the Melbourne suburb of Hallam.
Abu Talha does not name either man. He gives the initials of the man who he says is a Muslim as MH. The documents only name the other man, who he says in the video was the one seeking the information from MH, as "Jay".
He says the discovery of the document is a gift from Allah and reveals that "there is I would say a spynet of Muslims spying for ASIO, spying for kafir, on Muslims."
"Without some kind of false humbleness, the discovery of these documents, of this conversation ... is kind of like WikiLeaks.
"That's how it is to us, because it reveals a lot ... because [it] reminds us of previous attempts of kafir (unbelievers) and munafiqeen (hypocrites) when they plotted against believers."