The event that focuses on the preservation of Indigenous languages and cultures in Australia is the Australian Indigenous Languages and Culture Festival. This festival emphasizes the importance of recognizing and revitalizing Indigenous heritage, showcasing traditional art forms, dance, and music. Additionally, it provides a platform for elders and community members to share stories and knowledge about their languages and cultural practices. The festival aims to raise awareness about the rich diversity of Indigenous cultures and the urgent need to protect them from extinction due to globalization and colonization.