Where was the Asia-Pacific War which 1st Armoured Division was retained in Australia following the outbreak of fought 
1st Armoured Division (Australia):  While the Division was originally to be deployed to North Africa in late 1941, it was retained in Australia following the outbreak of the Pacific War. Pacific War: The Pacific War, sometimes called the Asia-Pacific War, was the theater of World War II that was fought in the Pacific and East Asia.
Pacific and East Asia