Tottenham Hotspur have confirmed that midfielder Lewis Holtby has joined Hamburger SV on a permanent deal.
The 24-year-old spent the majority of last season on loan at the Bundesliga club.
Holtby made 24 appearances for Hamburg during the 2014-15 campaign.
The German leaves Spurs following a two-year spell at White Hart Lane that also included a stint with Fulham on loan.