List of metropolitan areas in Europe

Columns: Metropolitan area name | Country | Eurostat Metropolitan region ( 2018 ) | Eurostat Metropolitan region ( 2017 ) | ESPON Functional Urban Area ( 2006 ) | OECD Metropolitan region ( 2016 )
Amsterdam metropolitan area | Netherlands | 3,242,852 | 2,729,421 | 2,497,000 | 2,717,363 | Antwerp | Belgium | 1,047,030 | 1,041,811 | 1,406,000 | 1,097,788 | Athens | Greece | 3,576,590 | 3,773,559 | 3,761,000 | 3,562,538 | Barcelona metropolitan area | Spain | 5,514,881 | 5,474,482 | 4,082,000 | 3,969,628 | Belgrade | Serbia | No data | 1,659,440 | 1,133,146 | 1,133,146 | Berlin | Germany | 5,259,363 | 5,207,915 | 4,016,000 | 5,142,247 | Bilbao | Spain | 1,134,848 | 1,134,514 | 947,000 | 1,037,033

Example questions:
What two archipelagoes are controlled by the country with the highest European metro population in 2018 ? | What was the European metro city in the Nordic country originally used as ? | Which of the European metropolitan cities in the United Kingdom is the capital of Wales ? | How many people live in the European metropolitan city in the country informally known as Holland ?

Answers:
the Canary Islands | Viking fishing village | Cardiff | over 2.4 million