The purpose of the study is to identify the potential hazards and to get an overview of controls that have been applied in the Malioboro area. The research was qualitative research. The data were collected by observation and in-depth interviews. The object of the research was the surrounding environment that was risky to safety and health of travellers. Informants were selected by purposive sampling from managers and staff of Malioboro technical implementation unit, four travellers and three cadgers. Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method were used to observe potential hazards. The results indicated that there were seven activities and one environmental factor. Assessed by AS/ NZS 4360 standard in 20041, 36 types of risk were found, consisting of five very high risks, nine high risks, fifteen moderate risks and eight low risks. The control efforts that had been carried out by Malioboro authorities were the eliminate control by waste management, the engineering control by the provision of crossing aids and trash bins, and the administration control by structuring street vendors, establishing security officers with empowerment principles and providing information and warnings about hazards through loudspeakers or information technology systems because Yogyakarta is prone to volcanic eruptions and earthquakes.