At the UN headquarters in New York Barron will have an exclusive meeting with UN Secretary-General Kofi Annan, meet Muhammad Ali and may even speak with Nelson Mandela during the UN's special assembly for children.
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He was awarded this honour because of his winning entry, chosen from 4000 others, in a competition run by the Nickelodeon pay TV channel in conjunction with the UN and UNICEF.
Barron now has the chance to express the views about the world we live in, from children of the region at the UN special session later this month.
The competition was part of the Say Yes campaign which celebrates the 10th anniversary of the UN's conventions on children's rights.
At first Barron didn't believe he had won.
"I sent my entry, not thinking I would hear anything back. But five months later I got a phone call and since then everything has been moving really fast," Barron said.
"I don't think the news has sunk in yet, but I can't wait to go."
Barron said he won't just be taking his own ideas to the world leaders.
In the lead up to his trip, Nowra Public School will host a Mini Summit on Monday, September 10 at Nowra Showground Pavilion.
This will be an exciting opportunity for Barron to find out what is important to other kids, and develop ideas to present to Kofi Annan.
"Education is a high priority for me, I want to get the message across that too many kids miss out on a proper education, and not just in third world countries," he said.
"My friends think I'm really lucky, but they think it's pretty cool too."
Barron's father Peter said the fact that Nowra has become the focal point for the Australian representation on children to the UN is amazing.
"At first we thought it was just a five day holiday in New York.
"Barron will join 17 other kids from around the world taking part in the UNICEF program."
Barron's mother, LeAnn said she is still amazed at what's happening.
"It's incredible, I can't believe were going half way around the world to be heard," she said.
"We're very proud of Barron, it's good to see achievement and recognition in this way especially when he is so young. It will be a life changing event," she said.
"The mini summit will be held at the Nowra Showground function room on Monday September 10 at 9.45am.
"After the key-note speakers the children will go into working session when we'll really get into the meat of children's rights to help them understand what's on the global agenda," Mrs Hanson said.
Barron and his family will fly out on Sunday September 16.