This document provides an overview of monitoring and evaluation for HIV/AIDS programs. It discusses key concepts like monitoring, evaluation, and surveillance. It also describes the different levels of measurement from inputs and processes to outcomes and impacts. The document provides examples of core indicators that can be used to monitor HIV/AIDS programs and discusses best practices for developing a strong monitoring and evaluation system, including having clear goals and objectives, a set of indicators, a data collection and analysis plan, and a dissemination plan.