He laid a wreath during a short memorial service led by PNGDF chaplain Lutenant Colonel Maisel Boude.
The Duke laid his wreath with the message 'In memory of British and Commonwealth servicemen giving their ultimate sacrifice for our freedom'.
There was a flag raising ceremony, then a moment of silence before the Prince toured the cemetery along with Brigadier General Gilbert Toropo and manager of Australian War Graves Robert Evans.
After the 20 minutes, Prince Andrew signed the visitor's book before departing Bomana.
