Thousands gathered at a dawn service at Gallipoli have been told by Justice Minister Amy Adams that the friendship between New Zealand and Turkey can inspire those in conflict today.

"For those men who came ashore here, few could have imagined that a century later we might gather in this place, not as adversaries but as friends," Adams said, speaking as the New Zealand Government's representative in the Anzac Day service.

"That the very enemy they were fighting might one day host scores of New Zealanders who travelled halfway around the globe to honour their fight."

New Zealand honours and thanks the Turkish people "who stand vigil at the graves of our men", Adams told the crowd.

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"This peninsula of war is now a place of friendship and healing. It's proof that enemies can become the truest of friends ... we hope it inspires those conflicts around the world where deep-rooted hatred seems impossible to overcome.

"May they turn to Gallipoli and see what can become of their bitterness."

At a time of concern in New Zealand at how Kiwis living in Australia will be affected by a toughening of citizenship requirements, Adams paid tribute to "our Aussie mates".

"Fighting side by side, it was impossible for the Kiwis not to be filled with admiration for the splendid courage and heroism of the Australians - nor them for ours.The bravery shown on these hills formed the Anzac spirit and was the birth of a bond between nations."