Today's world faces many problems with crime, affecting the day to day livings and bringing general socio-economic progress to a standstill.. Different types of crimes happen daily and nightly. If it cannot be carefully noticed or managed, it would be a great disaster for any country. Therefore, this paper was aimed at predicting metropolitan Bangladesh at different crime rates in different times. In this paper, different types of machine learning techniques could be used, but Decision Tree was used based on crime quantity to forecast Bangladesh's metropolitan area and finally analyze the result depending on the algorithm's result. In this paper we focused on Metropolitan Police Aare like DMP, CMP, KMP, RMP, BMP, SMP, Railway where D means Dhaka, C means Chittagong, K means Khulna, R means Rajshahi, B means Barisal, S means Sylhet, and MP means Metropolitan Police.