The Gabon striker made a promising start to his life at Barcelona scoring five goals in his first six starts.
He has signed a three-and-a-half-year deal and left the Emirates on a mutual decision.
Aubameyang was relieved of the armband at Arsenal after a disciplinary breach and made his final appearance for the Gunners came on December 6.
‘Things are going very well with Xavi,’ Aubameyang told Bein Sports France. ‘He is a legend and will contribute many things to the club.
‘Barca deserves to be in front and I am very happy there because I am at home. I’m Spanish for my mother’s sake.
‘My grandfather was from Atletico and I just hope that wherever he is, he will be proud of me for playing in the league.
‘The league is a good competition for me because it allows me to utilise my qualities.
‘When you enter Camp Nou it’s something! Another dimension. I really enjoy it.’
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