Japan is 160 times larger than Australian Capital Territory (Australia).
Area: 377,915 km2 World Factbook
Population: 127,103,388 (July 2014) World Factbook
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south. Wikipedia
Australian Capital Territory is a territory in the south east of Australia, enclaved within New South Wales. It is the smaller of the two self-governing internal territories in Australia. The only city and by far the most populous community is Canberra, the capital city of Australia. Wikipedia