に行ったの

Did you go to …?, went to [a place]

→ に
phrase Uncommon #19,987
Did you go to …? A casual question asking whether someone went to a destination or went somewhere for a particular purpose.
JA: お医者さんに行ったの?
EN: Did you go to the doctor?

誰とオーストラリアに行ったの?

Who did you go to Australia with?

誰とスケートに行ったの?

Who did you go skating with?

昨日はボウリングに行ったの?

Did you go bowling yesterday?

神社に行ったの?

Did you go to the shrine?

— バジュランギおじさんと、小さな迷子 (2015)

どこか有名な庭園に行ったの?

Did you visit any famous gardens?

本当にトムはオーストラリアに行ったの?

Did Tom really go to Australia?

なんで、空港に行ったの?

Why did you go to the airport?

お医者さんに行ったの?

Did you go to the doctor?

ひまわりに行ったの

Did you go to Himawari?

— 崖の上のポニョ (2008)

なんでトムは銀行に行ったの?

Why did Tom go to the bank?

phrase Rare #42,680
went to [a place] Used to explain or report that someone went to a destination; の adds an explanatory tone.
JA: 貴方を探してあの喫茶店に行ったの。
EN: I went to that café to look for you.

彼は愛人とアカプルコに行ったの

He went to Acapulco with his mistress.

— ROMA/ローマ (2018)

貴方を探してあの喫茶店に行ったの

I went to that coffee shop looking for you.

— ラスト、コーション (2007)

トムったら、感謝祭の次の日にボストンに行ったのよ。

Tom went to Boston the day after Thanksgiving.

妻と一緒にリッチョーネに行ったのよ

I went to Riccione with my wife.

— 甘い生活 (1960)