An

about, of, to, on, at

a n → an
preposition Rare #42,838
about, of Used with verbs such as denken (think) to introduce what someone is thinking about.
GE: Ich denke an den Urlaub.
EN: I’m thinking about the vacation.
to Used with verbs such as sich gewöhnen (get used) and anpassen (adapt).
GE: Ich muss mich an den Lärm gewöhnen.
EN: I have to get used to the noise.
on In the expression es liegt an, it means that something is due to or depends on someone or something.
GE: Der Fehler liegt an mir.
EN: The mistake is my fault.
at, on Used for a position beside or attached to something.
GE: Das Bild hängt an der Wand.
EN: The picture is hanging on the wall.

"An den Sohn, den Vater".

To the son, the father.

— Die Frau die singt - Incendies (2010)

"An alle Einheiten!"

“Attention, all units!”

— Das fünfte Element (1997)

"An einen Ort fern von hier?"

To a place far from here?

— Die Legende der Prinzessin Kaguya (2013)

„ Wohin gehen wir?“–„ An einen sicheren Ort.“

“Where are we going?” — “To a safe place.”

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