New South Wales (Australia) is 18 times larger than Estonia.
Area: 45,228 km2 World Factbook
Population: 1,257,921 (July 2014) World Factbook
Estonia, officially the Republic of Estonia, is a country in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia, and to the east by Lake Peipus and Russia. Wikipedia
New South Wales (abbreviated as NSW), is Australia's most populous state, and is located in the south-east of the country, north of Victoria, south of Queensland, east of South Australia, west of Jervis Bay Territory and encompasses the whole of the Australian Capital Territory. Wikipedia