The article examines the theoretical and methodological foundations and approaches to the mapping of hazards and risks, including hazards and risks caused by accidents at nuclear power plants. The main objects and parameters of mapping are investigated. It is made the analysis of the necessary and available information resources and sources for mapping hazards and risks caused by accidents at nuclear power plants. It is briefly examined the process of developing sign systems, selection and application of mapping methods of mapping hazards
and risks caused by accidents at nuclear power plants.
Keywords: emergency situation, accident, hazard, risk, radiological situation, nuclear power plant (NPP), cartographic research method.