New South Wales is the most heavily populated state of Australia. Its capital city is Sydney which holds approximately 4.5 million people and is the business centre of Australia. New South Wales also has the largest regional population in Australia with approximately 2.5 million people residing in these regional centres and districts. Most of the population live in close proximity to the ocean or along the Murray River. It has many tourist attractions such as the Sydney Harbour, Opera House, Harbour Bridge, Snowy and Blue Mountains. The city of Sydney is the most recognisable place in Australia for other countries due to the recent Olympic Games. New South Wales also has other industries such as the mining and exportation of coal through its second largest centre being Newcastle. The north Coast of New South Wales is borders Queensland thus sharing a subtropical climate.