Which visual would best represent sales performance across different regions?

Using a map visual to represent sales performance across different regions is particularly effective because it allows for a spatial understanding of the data. A map can highlight geographic trends and variations in sales performance, making it easy for the viewer to see which regions are performing well and which are not. This visual not only displays the data but also enables users to analyze relationships between geographical locations and sales figures, providing insights that could be overlooked in other formats.

In contrast, while bar charts and line graphs can effectively showcase trends over time or compare values among categories, they do not inherently provide geographical context. A pie chart, on the other hand, is useful for showing proportions of a whole but lacks the ability to convey location-based insights, which is crucial when assessing sales performance by region. Therefore, the map visual stands out as the most suitable option for this specific purpose.