The ESRF is an X-ray light source for Europe. It is located in Grenoble, France, and supported and shared by 21 countries.

The ESRF is first and foremost a user facility that provides visiting scientists (“users”) with beam time. That is, it provides X-rays to specific research groups at specific experimental stations (beamlines) at specific times. The ESRF offers a range of services that support the research of visiting scientists and advance synchrotron science in general.