Methods, program products, and systems for displaying context-aware charts are described. In context-aware charts, content of a chart can reflect a context of the chart. A charting object can be defined using a data series. The system can dynamically determine what subset of a data source should be used for the data series, depending on where the chart object is placed in a layout, form or other display area. Therefore, a single chart definition can be used to display various charts based on the context of the chart. When a chart object is moved from one data area to a new data area, the system can change the source of the data series such that the data series of the chart corresponds to a different subset of the data source.