In addition to its population, Melbourne also has a number of other characteristics that make it a city. The city is a major economic and cultural center, with a diverse economy and a thriving arts scene. Melbourne is also home to a number of educational institutions, including the University of Melbourne and Monash University. The city is also a popular tourist destination, with a number of attractions, such as the Melbourne Cricket Ground, the Queen Victoria Market, and the National Gallery of Victoria.
Overall, Melbourne meets the criteria for being considered a city due to its population, density, economic importance, cultural offerings, and educational institutions.