The Institute has its seat in Prague 4,  Bartoskova str. 28.
The Institute has branches in Hradec Kralove - Piletice and in Ostrava.

The internal structure is:

• Sector of the director
• Sector of of the deputy director for finances & technology
  • finanches department
  • technology department
• Sector of the deputy director for research and development
  • Radiation risk assessment department
  • Research teams
• Sector of the deputy director for radiaton monitoring
  • Environmental and personal dozimetry department
• Section of management

• Section of monitoring
  • Spectrometry department
  • Radiochemistry department
  • Monitoring of artificial radionuclides in environment department
  • Internal contamination department
• Section of medical exposures
  • Radiotherapy and X-ray laboratory department
  • Thermoluminiscence and film dosimetry department
• Section of natural radiactivity
  • Indoor radon survey department
  • Radon expert group department
• Section of information systems
  • Information systems department
  • Mobile group department
• Branch Hradec Kralove
  • Natural sources in the environment department
  • Monitoring department
• Branch Ostrava
  • Radiodiagnostic and spectrometry department
  • Radiochemistry department