What is the population of mainland Greece?

As of the latest estimates in 2023, the population of mainland Greece is approximately 10.4 million people. This figure includes the population of the mainland as well as the larger islands, but excludes smaller islands and territories. The population density is higher in urban areas, particularly in Athens, which is the capital and largest city. For the most accurate and up-to-date statistics, it's advisable to consult official sources such as the Hellenic Statistical Authority.