Synchronization as a research area investigates the emergence, stability, and control of coordinated dynamics in coupled systems, typically modeled by interacting oscillators, networks, or dynamical systems. It encompasses phenomena such as phase, frequency, and complete synchronization, as well as more complex regimes like cluster and chimera states. Research focuses on mathematical characterization via nonlinear dynamics, bifurcation theory, and network theory, and develops analytical and computational frameworks to understand how coupling structure, heterogeneity, noise, and delays affect collective behavior. Applications span physics, neuroscience, engineering, and complex systems, where synchronization underlies coordinated activity, signal transmission, and functional organization.