Query

{
    "query" : {
        {
            "match_all" : {}
        }
    },
    "facets" : {
        "places" : {
            "geohash" : {
                "field" : "location",
                "factor" : 0.7
            }
        }
    },
    "filter" : {
        "geo_bounding_box" : {
            "location" : {
                "top_left" : {
                    "lat" : 51.98019019637184,
                    "lon" : 7.810964249999984
                },
                "bottom_right" : {
                    "lat" : 50.331835285937544,
                    "lon" : 13.084401749999984
                }
            }
        }
    }
}