<P> During the Vietnam War, two companies from the Royal New Zealand Infantry Regiment were integrated into Royal Australian Regiment battalions . These integrated battalions had the suffix (ANZAC) added to their name (for example, 4 RAR became the 4RAR / NZ (ANZAC) Battalion). An ANZAC battalion served as one of the infantry battalions of the 1st Australian Task Force (1 ATF) from early March 1968 until its withdrawal in December 1971 . Due to the rotation of forces there were a total of five combined battalions of this period . </P> <P> The ANZAC Battle Group was the official designation of Australian and New Zealand units deployed to Timor Leste as part of Operation Astute . The battle group was established in September 2006 . </P>

Allied troops from australia and new zealand fought mostly in what territory