Athens is a global city and one of the biggest economic centres in southeastern Europe. It has a large financial sector, and its port Piraeus is both the largest passenger port in Europe, and the second largest in the world. The Municipality of Athens (also City of Athens) had a population of 664,046 within its administrative limits, and a land area of 38.96 km2. The urban area of Athens (Greater Athens and Greater Piraeus) extends beyond its administrative municipal city limits, with a population of 3,090,508 (in 2011) over an area of 412 km2 (159 sq mi). According to Eurostat[21] in 2011, the functional urban area (FUA) of Athens was the 9th most populous FUA in the European Union, with a population of 3.8 million people. Athens is also the southernmost capital on the European mainland.