There's nothing exactly like HN out there. But EU tech. news sites exist (most have a linux focus though and you'll need to use machine translation):

https://www.theregister.com/

https://linuxnews.de/

https://www.root.cz/

https://www.golem.de/

https://www.heise.de/ct

https://www.computerbase.de/

https://gnulinux.ch/

https://www.linux-magazin.de/