# 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.plotBorderRadius

The corner radius of the plot area border in pixels. Also applies clip to the plot area background and data inside, like columns in a column series or fill in an area series.