Gmaps (Google Maps) addon

Gmaps - Multiple Markers

ExpressionEngine Code
{exp:gmaps:init}
{exp:gmaps:map 
    width="100%"
    zoom="3"
}
    {gmaps:add_marker
        address="heerde"
        infowindow="This is [location]"
    }

    {gmaps:add_marker
        address="Amsterdam"
        infowindow="This is [location]"
    }

    {gmaps:add_marker
        address="New york"
        infowindow="This is [location]"
    }
{/exp:gmaps:map}