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 )
Birmingham ( West Midlands ) | United Kingdom | 2,545,475 | 4,332,264 | 2,601,107 | 2,968,313 | Bremen | Germany | 1,274,611 | 1,269,755 | 1,077,000 | 1,255,402 | Bristol | United Kingdom | 1,147,017 | 1,133,729 | 1,041,000 | 944,390 | Brussels-Capital Region | Belgium | 2,528,996 | 2,513,849 | 2,639,000 | 2,628,971 | Bucharest metropolitan area | Romania | 2,301,255 | 2,287,347 | 2,064,000 | No data | Budapest metropolitan area | Hungary | 3,011,598 | 3,000,076 | 2,523,000 | 2,965,908 | Cardiff | United Kingdom | 1,135,795 | 1,129,971 | 1,097,000 | 779,800

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