B1
in or to a foreign country
Dictionary examples:
I studied abroad and learned how to say 'I'm lost' in five languages! (0.0)
I went abroad to learn cooking, but I only mastered ordering takeout! (0.0)
I went abroad to learn French, but everyone kept speaking English to me! (0.0)
He's gone abroad on business. (15.6)
We always go abroad in the summer. (17.8)