This research purpose to describe and analyze society participation, local political elite participation, local government role, and regionalparliament in the process of area expansion of TanaToraja Regency, and describe and analyze autonomy area expansion of public service. The method used in this research was the explanatory survey. The data collection conducted by using interview, observation, questionnaire and document study. The research informants include local leaders, regional government, Regional Parliament Members, nongovernmental organizations, social organization. The sample was collected by using purposive sampling, and data were analyzed descriptively.