んとこ

someone's place

→ の
phrase Rare #26,463
someone's place A casual contraction of のところ, used after a person's name or pronoun to mean their place or home.
JA: 今日、友だちんとこに泊まる。
EN: I'm staying at my friend's place tonight.

草太んとこ行くんだろ?

You're going over to Sota's place, right?

— すずめの戸締まり (2022)

僕んとこ後回しにして

Put mine off until later.

— ハウルの動く城 (2004)

宗介んとこいく!

I'm going over to Sosuke's!

— 崖の上のポニョ (2008)

菊井んとこ行ってくる

I'm heading over to Kikui's.

— Sanjuro (1962)

八時にお前んとこに行くから。

I'll come over to your place at eight.

エズラ、おまえんとこはみんな今夜来るかね。

Ezra, are all your folks coming over tonight?

宗介んとこ来たー

I'm at Sosuke's!

— 崖の上のポニョ (2008)