Robbery is among the crimes which results in a sort of fear of crime. Robbery is one of those types of crimes which is of basic interest and concern for the police. This study aims at clarifying the effective factors in the occurrence of robberies in Bandar‐Abbas in 2010. The Present study tried to demonstrate the relationship between Police surveillance, Victims’ behaviors, time, environmental context, spatial situations and robberies. Questionnaire was used to collect the required data.The findings of the study showed that robberies result from at least five variables: Police surveillance, victims’ behaviors, time, environmental context, and spatial situations. The most important factor effective in the occurrence of robberies was shown to be the spatial situations.