Georgia Geodetic Datum

Attributes

Unit: degree (supplier to define representation)

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: European Union ENPI Programme for Georgia "Methodology and Parameters for Datum Transformation between the New and Old Reference Systems", National Agency of Public Registry, Ministry of Justice of Georgia, November 14th, 2013; https://www.napr.gov.ge/

Revision date: 2025-07-15

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Area of use: Georgia - onshore and offshore.

Coordinate system: Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: degree, degree, metre.

Covered area powered by MapTiler

Center coordinates
42.85 42.32

Projected bounds:
38.97 41.04
46.72 43.59

WGS84 bounds:
38.97 41.04
46.72 43.59

Georgia - onshore and offshore.

Definition: OGC Well Known Text 2 (2019)

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GEOGCRS["Georgia Geodetic Datum",
    DATUM["Georgia Geodetic Datum",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,3],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["ellipsoidal height (h)",up,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."],
        AREA["Georgia - onshore and offshore."],
        BBOX[41.04,38.97,43.59,46.72]],
    ID["EPSG",10830]]

Definition: ESRI Well Known Text

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GEOGCS["GCS_Georgia_Geodetic_Datum",
    DATUM["D_Georgia_Geodetic_Datum",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433],
    LINUNIT["Meter",1.0]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:10830","+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Georgia Geodetic Datum",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Georgia Geodetic Datum",
        "ellipsoid": {
            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            },
            {
                "name": "Ellipsoidal height",
                "abbreviation": "h",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "area": "Georgia - onshore and offshore.",
    "bbox": {
        "south_latitude": 41.04,
        "west_longitude": 38.97,
        "north_latitude": 43.59,
        "east_longitude": 46.72
    },
    "id": {
        "authority": "EPSG",
        "code": 10830
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	</Layer>
</Map>

EPSG:10830