# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# chart.map

Default `mapData` for all series, in terms of a GeoJSON or TopoJSON object. If set to a string, it functions as an index into the `Highcharts.maps` array.

For picking out individual shapes and geometries to use for each series of the map, see series.mapData.