The celebration started off with a three hour parade where 520 military and navy personnel took part.
The President Ratu Epeli Nailatikau in his speech said he was happy and of what he wirtnessed on the parade .
Meanwhile, similar celebrations are being held in the North, Levuka and in Lautoka.
Fiji Day is on the 10th which is next Monday and it is a public holiday.
Meanwhile , Military spokesman Lieutenant Colonel Neumi Leweni said the trooping of the colour was a military tradition that the RFMF had fostered tracing its origin back to when the country was ceded to the British Empire.
"This is a ceremony performed by regiments of the British and the Commonwealth armies.
"Fiji Day is the only time of the year when we remember how Fiji was given the responsibility to govern the country without external influence," Ministry of Information permanent secretary Sharon Smith-Johns said.
"I think the best way for all of us to also celebrate Fiji Day is to reach out to those who are less fortunate than us," she said.