What is Ostalgie?
1.
(n.) (Ger) (also 'Ostalgia')
Nostalgia for life in former East Germany; portmanteau of Ost (east) and Nostalgie (nostalgia)
Also applicable to nostalgia for former socialist life in other Eastern European nations.
Arguably more common than 'Yugo-nostalgia'
The life recreated in Good Bye Lenin! is, in part, representative of Ostalgie.
See