Galatasaray have reportedly struck a deal with Olympic Marseille for the 20-year-old centre back Doria.
Goal Turkey have stated that the Brazil U20 international will join the Istanbul Giants on a one year loan and that Galatasaray have the option to sign him at the end of the 2015-16 season.
Doria joined Sao Paulo on loan from Marseille in February. The loan deal expires at the end of the month.
Sao Paulo do have the option to sign Doria on a permanent bases according to Goal.
The 20-year-old defender joined Marseille on a £4.4 million move from Botafogo last season and has four-years left on his contract.
Doria has not played a single minute of football in all competitions this season for Marseille and is keen on a move away from the Ligue 1 side.