diff --git a/CHANGELOG.md b/CHANGELOG.md
index 264a923..2449878 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## v1.0.0 - 2023-??-?? - The One
 
+#### Noteworthy changes
+
+* `geo` records are deprecated.
+
 #### Stuff
 
 * Removal of a Python 3.7 specific import work-around now that it's no longer an
diff --git a/octodns/record/geo.py b/octodns/record/geo.py
index 0123b91..af8337c 100644
--- a/octodns/record/geo.py
+++ b/octodns/record/geo.py
@@ -141,6 +141,9 @@ class _GeoMixin(ValuesMixin):
         reasons = super().validate(name, fqdn, data)
         try:
             geo = dict(data['geo'])
+            cls.log.warning(
+                'NOTICE: `geo` record support is deprecated and should be migrated to `dynamic` records'
+            )
             for code, values in geo.items():
                 reasons.extend(GeoValue._validate_geo(code))
                 reasons.extend(cls._value_type.validate(values, cls._type))
diff --git a/tests/test_octodns_record_geo.py b/tests/test_octodns_record_geo.py
index b7701c8..420570e 100644
--- a/tests/test_octodns_record_geo.py
+++ b/tests/test_octodns_record_geo.py
@@ -213,15 +213,22 @@ class TestRecordGeoCodes(TestCase):
         self.assertTrue(c >= b)
 
     def test_validation(self):
-        Record.new(
-            self.zone,
-            '',
-            {
-                'geo': {'NA': ['1.2.3.5'], 'NA-US': ['1.2.3.5', '1.2.3.6']},
-                'type': 'A',
-                'ttl': 600,
-                'value': '1.2.3.4',
-            },
+        with self.assertLogs('Record', level='WARNING') as cm:
+            Record.new(
+                self.zone,
+                '',
+                {
+                    'geo': {'NA': ['1.2.3.5'], 'NA-US': ['1.2.3.5', '1.2.3.6']},
+                    'type': 'A',
+                    'ttl': 600,
+                    'value': '1.2.3.4',
+                },
+            )
+        self.assertEqual(
+            [
+                'WARNING:Record:NOTICE: `geo` record support is deprecated and should be migrated to `dynamic` records'
+            ],
+            cm.output,
         )
 
         # invalid ip address