You can still register to attend the MoodleMoot Australia which is scheduled from 6-8 July 2015 in Melbourne. MoodleMoot Australia is a three day conference bringing together the Moodle community to collaborate, learn and develop the open source learning platform.
You can register for MoodleMoot Australia from this link: http://www.regonline.com.au/mootau15 The last date for registration is 24 June.
Check out the conference schedule at this link. The conference will also include a Hackfest after the MoodleMoot on 09th July named as Developers Day.
Register Now for the MoodleMoot Australia now.