1. Fill in a list of comma-separated place name, click on "QUERY" button or press enter key. A place name can be a state/county name in the USA, a province-level name for China and the country name for the other countries. The query tool is case-insensitive and supports substring.

2. Click on the map while holding down the ctrl key (command key in Mac OS) to manually select regions. Hold the shift key while clicking on a selected region to remove it from the query.

Click on "Reset" button to reset everything to the default display.

You can query the data in two ways: