diff --git a/tests/__init__.py b/tests/__init__.py
index 8aef7db2e..d6b042e6d 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -661,7 +661,7 @@ def broadcast_message_json(
 
         'personalisation': {},
         'areas': [
-            'england', 'scotland',
+            'countries-E92000001', 'countries-S92000003',
         ],
 
         'status': status,
diff --git a/tests/app/broadcast_areas/test_broadcast_area.py b/tests/app/broadcast_areas/test_broadcast_area.py
index a172ef019..d0305c05e 100644
--- a/tests/app/broadcast_areas/test_broadcast_area.py
+++ b/tests/app/broadcast_areas/test_broadcast_area.py
@@ -89,10 +89,18 @@ def test_get_names_of_areas():
 
 def test_get_areas_accepts_lists():
     areas_from_list = broadcast_area_libraries.get_areas(
-        ['wales', 'vale-of-glamorgan', 'england', 'essex']
+        [
+            'countries-W92000004',
+            'counties-and-unitary-authorities-in-england-and-wales-W06000014',
+            'countries-E92000001',
+            'counties-and-unitary-authorities-in-england-and-wales-E10000012',
+        ]
     )
     areas_from_args = broadcast_area_libraries.get_areas(
-        'wales', 'vale-of-glamorgan', 'england', 'essex',
+        'countries-W92000004',
+        'counties-and-unitary-authorities-in-england-and-wales-W06000014',
+        'countries-E92000001',
+        'counties-and-unitary-authorities-in-england-and-wales-E10000012',
     )
     assert areas_from_args == areas_from_list
 
diff --git a/tests/app/main/views/test_broadcast.py b/tests/app/main/views/test_broadcast.py
index 33e2f95d0..bf87e5474 100644
--- a/tests/app/main/views/test_broadcast.py
+++ b/tests/app/main/views/test_broadcast.py
@@ -38,7 +38,7 @@ sample_uuid = sample_uuid()
         403, 403,
     ),
     (
-        '.remove_broadcast_area', {'broadcast_message_id': sample_uuid, 'area_slug': 'england'},
+        '.remove_broadcast_area', {'broadcast_message_id': sample_uuid, 'area_slug': 'countries-E92000001'},
         403, 405,
     ),
     (
@@ -237,9 +237,13 @@ def test_choose_broadcast_library_page(
             'Regions of England',
     ])
 
-    hints = page.select('.file-list-hint-large')
-    for country in ('England, Northern Ireland, Scotland, Wales'):
-        assert country in hints
+    assert any([
+        all([
+            country in hint.text
+            for country in ('England', 'Northern Ireland', 'Scotland', 'Wales')
+        ])
+        for hint in page.select('.file-list-hint-large')
+    ])
 
     assert page.select_one('a.file-list-filename-large.govuk-link')['href'] == url_for(
         '.choose_broadcast_area',
@@ -278,14 +282,14 @@ def test_add_broadcast_area(
         broadcast_message_id=fake_uuid,
         library_slug='countries',
         _data={
-            'areas': ['england', 'wales']
+            'areas': ['countries-E92000001', 'countries-W92000004']
         }
     )
     mock_update_broadcast_message.assert_called_once_with(
         service_id=SERVICE_ONE_ID,
         broadcast_message_id=fake_uuid,
         data={
-            'areas': ['england', 'scotland', 'wales']
+            'areas': ['countries-E92000001', 'countries-S92000003', 'countries-W92000004']
         },
     )
 
@@ -302,7 +306,7 @@ def test_remove_broadcast_area_page(
         '.remove_broadcast_area',
         service_id=SERVICE_ONE_ID,
         broadcast_message_id=fake_uuid,
-        area_slug='england',
+        area_slug='countries-E92000001',
         _expected_redirect=url_for(
             '.preview_broadcast_areas',
             service_id=SERVICE_ONE_ID,
@@ -314,7 +318,7 @@ def test_remove_broadcast_area_page(
         service_id=SERVICE_ONE_ID,
         broadcast_message_id=fake_uuid,
         data={
-            'areas': ['scotland']
+            'areas': ['countries-S92000003']
         },
     )