How to modify hybrid map

Take this as start: https://geojson.io/#id=gist:derekhe/47e3c6229c86309cdbf6d3020a4245a6&map=1.5/40.1/44.6

Use draw polygon to define the area you want to use. Add a property "map" and set the map name.

The map names are listed here, please use the listed sources otherwise it won't work:

v7 version

• google_maps_server_1
• google_maps_server_2
• apple_map
• china_hd_2021
• china_hd_2022
• mapbox_pro
• google_maps_server_free
• bing_maps
• arcgis
• mapbox_free

v8 version

• AppleMap
• ArcGIS
• BingMaps
• ChinaHD2021
• ChinaHD2022
• GoogleMapsServer1
• GoogleMapsServer2
• GoogleMapsServerFree
• MapboxPro

Save the region and override the hybrid-map.json file inside the installation folder. Restart the app and test in MSFS2020's world map see if it works.