diff --git a/geometric_data/ocean/region/Southern_Hemisphere/region.geojson b/geometric_data/ocean/region/Southern_Hemisphere/region.geojson
new file mode 100644
index 00000000..fedd1566
--- /dev/null
+++ b/geometric_data/ocean/region/Southern_Hemisphere/region.geojson
@@ -0,0 +1,44 @@
+{
+    "type": "FeatureCollection",
+    "features": [
+        {
+            "type": "Feature",
+            "properties": {
+                "name": "Southern Hemisphere",
+                "tags": "",
+                "object": "region",
+                "component": "ocean",
+                "author": "Carolyn Begeman",
+                "zmax": 10.0,
+                "zmin": -10000.0
+            },
+            "geometry": {
+                "type": "Polygon",
+                "coordinates": [
+                    [
+                        [
+                            -180.0,
+                            -90.0
+                        ],
+                        [
+                            180.0,
+                            -90.0
+                        ],
+                        [
+                            180.0,
+                            0.0
+                        ],
+                        [
+                            -180.0,
+                            0.0
+                        ],
+                        [
+                            -180.0,
+                            -90.0
+                        ]
+                    ]
+                ]
+            }
+        }
+    ]
+}
diff --git a/geometric_features/aggregation/__init__.py b/geometric_features/aggregation/__init__.py
index e58f5005..dde84300 100644
--- a/geometric_features/aggregation/__init__.py
+++ b/geometric_features/aggregation/__init__.py
@@ -43,7 +43,7 @@ def get_aggregator_by_name(region_group):
                                           'date': '20201130',
                                           'function': arctic_seaice},
                'Ocean Basins': {'prefix': 'oceanBasins',
-                                'date': '20200621',
+                                'date': '20240830',
                                 'function': basins},
                'Ice Shelves': {'prefix': 'iceShelves',
                                'date': '20200621',
diff --git a/geometric_features/aggregation/ocean/ocean_basins.py b/geometric_features/aggregation/ocean/ocean_basins.py
index 89e9128d..46b22a3e 100644
--- a/geometric_features/aggregation/ocean/ocean_basins.py
+++ b/geometric_features/aggregation/ocean/ocean_basins.py
@@ -44,6 +44,7 @@ def basins(gf):
     fc.merge(gf.read(componentName='ocean', objectType='region',
                      featureNames=['Global Ocean',
                                    'Global Ocean 65N to 65S',
-                                   'Global Ocean 15S to 15N']))
+                                   'Global Ocean 15S to 15N',
+                                   'Southern Hemisphere']))
 
     return fc
diff --git a/geometric_features/features_and_tags.json b/geometric_features/features_and_tags.json
index af4c4fe4..2ec81b37 100644
--- a/geometric_features/features_and_tags.json
+++ b/geometric_features/features_and_tags.json
@@ -1537,6 +1537,9 @@
         "South_Pacific_Ocean",
         "Pacific_Basin"
       ],
+      "Southern Hemisphere": [
+        ""
+      ],
       "Southern Ocean": [
         "Southern_Ocean",
         "Southern_Ocean_Basin"