This publication was prepared under the IAEA’s programme for safety standards and complements other safety guides that deal with all safety considerations in site evaluation regarding the effects of external events and population distribution. It supplements and provides recommendations on meeting the requirements for nuclear installations established in the safety requirements publication on Site Evaluation for Nuclear Installations (IAEA Safety Standards Series No. NS-R-3) in terms of the safety aspects to be considered during the stages of the selection process of a site for a nuclear installation.