The capital of Australia is CANBERRA, which is an 8-letter word. CANBERRA is the largest inland city in Australia and is located in the Australian Capital Territory. It is the seat of the federal government and the home of many national monuments and institutions. CANBERRA is known for its vibrant cultural scene, with many museums, galleries, and performing arts venues. It is also home to the Australian National University, one of the country's leading universities.