How Do I Find Someone In Australia ?

There are websites which provides services to find an old friend, relative, school mates etc. I am giving you some websites for your study and information. I hope you would be able to find your friend too.
Find Old Friends
Find Old Friends2

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I lost contact with a friend about 10 years ago and have found out they have moved to australia how can I try to contact them again please

I find my sister in melbourne