From TARDIS Index File, the free Doctor Who reference.

BFA: The Time of the Daleks="hiddenStructure" style="vertical-align: top;"

Eurozone
Leader:
Also known as:
Affiliated with:
Homeland / Bases:	Europe, Earth
Appearances:	EDA: Trading Futures BFA: The Time of the Daleks
Notable Members:	United Kingdom
Garrison:	Several European countries

The Eurozone or EZ was a larger superpower on Earth opposite the United States of America in the early 21st century. It was composed of several European countries including the United Kingdom. (EDA: Trading Futures)

[edit] Behind the Scenes

In reality, the Eurozone is the collection of European countries that have given up their currencies and adopted the 'euro'.