1. Cluj-Napoca is home to the largest university in Romania, Babeș-Bolyai University, which attracts thousands of international students each year and contributes to the city's vibrant cultural scene. 2. The city is often referred to as the "Silicon Valley of Romania" due to its rapidly growing tech industry and numerous startup incubators, making it a hub for innovation and entrepreneurship in Eastern Europe. 3. Cluj-Napoca hosts the annual Untold Festival, one of the largest electronic music festivals in Europe, which draws in tens of thousands of visitors from all over the world, showcasing both international and local talent.