Simple Particle Question (よびます） I am a little confused as to what is going on here: Why is this not (recipient of the invite) (place of the invite) ? It would be helpful if someone can please explain, thank you.

Let's insert a subject.



Who is doing the Yobu? I am. Who is the target of my Yobu-ing? My friend. Where am I Yobu-ing him to? A party.

marks the object, marks (in this case) the target location, directionally.

is the place in the invite, statically, as opposed to directionally-- You might say , "We had fun _at_ the party." You wouldn't say, "We had fun _to_ the party" in this case. But since you're calling him _to_ the party, we use .