New South Wales: Australia's Most Populous State — Sydney, Coast, Mountains, and Opportunity

New South Wales (NSW), Australia's oldest (1788) and most populous state (8M+), spans the east coast from Queensland to Victoria. Sydney, the capital, is a global financial and cultural hub with the Opera House and Harbour Bridge. Climate ranges from coastal Mediterranean (Sydney: 26°C summer, 13°C winter) to alpine in the Snowy Mountains (Mount Kosciuszko, 2,228m). The Great Dividing Range separates coast from inland. Economy thrives on services, finance, tourism, mining, and agriculture. World Heritage sites include the Blue Mountains, Lord Howe Island, and the Opera House. Top universities: Sydney, UNSW, Wollongong. NSW blends urban dynamism with extraordinary natural diversity.