Why is it der Fanklub?

Fanklub is a compound noun, and German compounds take the article of their last word: der Klub. So it’s der Fanklub.

Sense 1
der

Meaning

[1] Group of enthusiastic supporters of someone or something

[1] Gruppe von begeisterten Anhängern von jemandem oder etwas

Examples

[1] "The fan club regularly organized trips to the Bayerne"

[1] „Der Fanklub organisierte regelmäßig Fahrten zu den Bayern.“

Declension

1 Singular Plural
Nominativ der Fanklub die Fanklubs
Genitiv des Fanklubs der Fanklubs
Dativ dem Fanklub den Fanklubs
Akkusativ den Fanklub die Fanklubs

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary