The Argentina international joined United for a British transfer record fee of £59.7 million from Real Madrid last summer.
However, he struggled to make an impression in his debut season and did not start a Premier League match after March 4.
That led to reports that he could already be heading for the exit door, with Bayern Munich and Paris Saint-Germain rumoured to be interested in securing his services.
But Di Maria, who is with Argentina ahead of the Copa America, says he has no plans to leave Old Trafford and is looking forward to improving under Louis van Gaal next season.
“I have just finished my first season playing for Manchester United,” he told The Sun.
“It was a hard season for me. I think it was hard because it was another country and another league, and this league is harder than the Spanish one. So, I couldn’t adapt myself as I wanted to.
“Now I will play the Copa America and then I will move back to Manchester for next season and do my best there.”