Amazon Athena is a serverless interactive query service that allows users to analyze data stored in Amazon S3 using standard SQL. It enables quick querying of large datasets without the need for complex infrastructure setup, making it accessible for both technical and non-technical users. With Amazon Athena, users can easily run ad-hoc queries and gain insights from their data. It integrates seamlessly with other Amazon Web Services (AWS) tools, allowing for efficient data analysis and reporting. This service is particularly useful for businesses looking to make data-driven decisions without investing in extensive database management systems.