European XFEL
The European X-Ray Free-Electron Laser Facility (European XFEL) is an X-ray research laser facility. The international project has twelve participating countries; nine shareholders at the time of commissioning (Denmark, France, Germany, Hungary, Poland, Russia, Slovakia, Sweden and Switzerland), later joined by three other partners (Italy, Spain and the United Kingdom), is located in the German federal states of Hamburg and Schleswig-Holstein.