A smart parking system is an advanced technological solution that integrates IoT sensors, real-time data processing, and mobile applications to optimize the utilization of parking spaces. Its primary functionalities include real-time monitoring of space occupancy, automated license plate recognition (ALPR) for seamless entry and exit, and digital payment integration. High-end systems also offer predictive analytics to forecast peak usage times and dynamic pricing models that adjust rates based on demand. The benefits are multifaceted: for drivers, it significantly reduces the time and fuel wasted searching for a spot, which in turn lowers urban traffic congestion and carbon emissions. For facility operators, it provides granular data on usage patterns, allows for more efficient enforcement of parking rules, and increases revenue through optimized pricing. Furthermore, the reduction in circling vehicles improves overall air quality and safety in urban centers. By transforming a static physical asset into a data-driven service, smart parking represents a cornerstone of modern "Smart City" infrastructure, making urban mobility more fluid and user-centric.