Australia is a diverse country with a population of approximately 24.8 million, a multi-ethnic culture predominantly influenced by British and Irish heritage, and no official language, though English is the most widely spoken. The nation is home to a rich Indigenous history dating back tens of thousands of years, with over 400 distinct Aboriginal groups, and is known for its significant cultural landmarks such as the Sydney Opera House and Uluru. Additionally, Australia features stunning natural landscapes including the Blue Mountains and Daintree National Park, making it a popular tourist destination.