The demand for managing sports facilities efficiently is. We need better digital tools to handle bookings. Traditional methods often lead to scheduling conflicts. Are not very efficient. This paper talks about Arenabook a web-based platform for booking and scheduling sports facilities. It was built using the Django framework. With Arenabook users can see what\'s available in time make reservations and manage their bookings. Administrators can control scheduling, pricing and resource allocation. Here\'s how Arenabook works to prevent bookings: it uses a check-lock-confirm-update mechanism. This ensures that everything runs smoothly and consistently. The platform has secure user authentication and role-based access control. It works well on devices. The backend of Arenabook uses a database. This helps with handling data and processing queries. Arenabook makes managing sports facilities easier reduces the need for work and improves the user experience. Tests show that Arenabook is scalable, reliable and suitable for sports facility management. Arenabook can handle a lot of users and data making it a great solution, for sports facilities. Arenabook is a platform that can improve the way sports facilities are managed.