A parody of "The gulf of America" with European countries Some examples being the North Sea named the Gulf of Rotterdam, the UK is called Rotterdam West, and the sea left from Wales is called Feyenoord Sea (named after a soccer club from the city of Rotterdam)
https://mastodon.nl/system/media_attachments/files/114/022/031/809/102/390/original/b177f9eaa91d0ce9.jpg