Central European Zone
From Tardis Wiki, the free Doctor Who reference
The Central European Zone was a member of the World Zone Authority. (TV: The Enemy of the World) Its headquarters was Tisza Palace in Budapest. (PROSE: Doctor Who and the Enemy of the World)
The Central European Zone was distinct from the European Zone, (PROSE: Doctor Who and the Enemy of the World) which notably included Kosovo (PROSE: Trading Futures) but not Poland. (AUDIO: Hothouse)