Seaborn is a powerful Python data visualization library built on top of Matplotlib, designed to enhance the aesthetics and functionality of visual representations. It provides a high-level interface for creating informative and attractive statistical graphics, making it easier for data scientists to explore and understand complex datasets. Seaborn is particularly well-integrated with Pandas data structures, allowing for seamless data manipulation and visualization. With features like automatic estimation of linear regression plots, multi-plot grids, and various plot types such as heatmaps and distribution plots, Seaborn simplifies the process of creating visually appealing graphics for data analysis.