According to Eurostat, Malta is composed of two larger urban zones nominally referred to as "Valletta" (the main island of Malta) and "Gozo". The main urban area covers the entire main island, with a population of around 400,000. The core of the urban area, the ''greater city'' of Valletta, has a population of 205,768. According to Demographia, the Valletta urban area has a population of 300,000. According to European Spatial Planning Observation Network, Malta is identified as functional urban area (FUA) with the population of 355,000. According to the United Nations, about 95 per cent of the area of Malta is urban and the number grows every year. Also, according to the results of ESPON and EU Commission studies, "''the whole territory of Malta constitutes a single urban region''".