class Location(models.Model):
    name = models.CharField(max_length=100, verbose_name=u"Локация", default=u'')
    coords = gis_models.PointField(u"долгота/широта", srid=4326, blank=True, null=True)

class LocationForm(forms.ModelForm):
    class Meta:
        model = Location
        fields = ['name']

class AddLocationPageView(CreateView):
    model = Location
    form_class = LocationForm
    template_name = 'add_location.html'

<form action="" method="POST">{% csrf_token %}
    <div id="map-add-location" ></div>
    <div class="col-md-5">
         {{ form }}
         <button type="submit">Add location</button>
    </div>
</form>

$(document).ready(function(){
    map = new google.maps.Map($('#map-add-location')[0], mapOptions);
    map.addListener('click', function(e){
            placeMarker(e.latLng, map);
            var position = marker.getPosition();
    });
    var marker;
    function placeMarker(latLng, map) {
        marker = new google.maps.Marker({
            position: latLng,
            map: map,
        });
        return marker
    }
});

map.addListener('click', function(e){
            placeMarker(e.latLng, map);
            var position = marker.getPosition();
            $('#id_coords').val(position);
        }
    });