leaflet.example.geojson.code

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "geometry": {
        "type": "Point",
        "coordinates": [-122.419418, 37.774929]
      },
      "properties": {
        "popupContent": "San Francisco is the commercial, financial, and cultural center of Northern California."
      }
    },
    {
      "type": "Feature",
      "geometry": {
        "type": "Point",
        "coordinates": [-122.143021, 37.441883]
      },
      "properties": {
        "popupContent": "Stanford University is a private research university in Palo Alto, California.",
        "icon": {
          "iconUrl": "https://img.icons8.com/nolan/256/university.png",
          "iconSize": [30,30],
          "iconAnchor": [20, 0]
        }
      }
    }
  ]
}