SUMMARY
Data mining is a very useful technology to help companies to find the most important information from their data warehouse, data mining forecast trends and traits business behavior is very useful to support critical decision making. Data mining can answer business questions that the traditional way takes a lot of time to answer. Naive Bayes classifier algorithm is one part of the data mining technique that uses a simple probabilistic-based prediction based on the Bayes rule, or statistical classification also can be used to predict the probability of membership of a class.Determination of decisions made by PT. Media Komunitas Serpong in an effort to improve the new area necessary decisions that need to be filled, for the Naive Bayes classifier method is a more effective way is done to determine the feasibility of new areas quickly and accurately.