Domain-Driven Design (DDD) is a software development approach that focuses on understanding the business domain to drive the design of software systems. Among its numerous benefits are improved communication and collaboration between developers and domain experts, better alignment of software systems with business goals, increased flexibility and scalability with its modular, microservices-based architecture, better handling of complexity by breaking down the system into manageable parts, and improved maintainability with a focus on the long-term evolution of the software. Overall, DDD can help create software systems that meet the business needs and are useful to end-users, making it an approach worth considering for complex, large-scale software projects.