Isn't that image just Fladenbrot? Döner im (pitta) Brot is the defacto standard here, and I'm talking about this weird bread that the brand "German Doner Kebab" uses:

Just imagine this, but less meat and the salad is soft. The bread is so stupid that unlike a pitta, you can't stuff it until its full, but have to underpack it so that it actually holds closed