Netherlands are the only country in Europe with Polders.
Polders are found in North European Lowlands.
Polders are generally associated with The Netherlands (Holland). They are low-lying tracts of land enclosed by embankments (barriers) known as dikes that form artificial hydrological entities.
Wales.
England is the country where the D1 building is found.
Commonly they are found in the country of Persia
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Polders are found in low-lying coastal areas of Europe, particularly in countries such as the Netherlands, Belgium, and parts of coastal Germany. These reclaimed lands are surrounded by dikes to prevent flooding and are used for agriculture and other purposes.
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Paella is most commonly found in Spain.