diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32438b4..9192071 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
+## [5.2.1] - 2024-05-02
+
+- "Southern Africa" no longer matches South Africa.
+
 ## [5.2.0] - 2024-04-08
 
 - Use French region names when finding French subdivisions
diff --git a/geoconvert/__init__.py b/geoconvert/__init__.py
index 25b8ce1..c371f69 100644
--- a/geoconvert/__init__.py
+++ b/geoconvert/__init__.py
@@ -1,2 +1,2 @@
 __author__ = "Octopusmind <informatique@octopusmind.info>"
-__version__ = "5.2.0"
+__version__ = "5.2.1"
diff --git a/geoconvert/data/countries.py b/geoconvert/data/countries.py
index c22c011..29aa0a8 100644
--- a/geoconvert/data/countries.py
+++ b/geoconvert/data/countries.py
@@ -541,7 +541,6 @@
         "somalia": "SO",
         "south africa": "ZA",
         "south georgia and the south sandwich islands": "GS",
-        "southern africa": "ZA",
         "spain": "ES",
         "sri lanka": "LK",
         "sudan": "SD",
diff --git a/tests/test_countries.py b/tests/test_countries.py
index 0f9fbe8..4e9b687 100644
--- a/tests/test_countries.py
+++ b/tests/test_countries.py
@@ -19,6 +19,7 @@ class TestCountries:
             ("Allemagne", {}, "DE"),  # fr
             ("Alemanha", {}, "DE"),  # pt
             # If no country found, return None
+            ("Southern Africa", {}, None),
             ("Wonderland", {}, None),
             ("Germany", {"lang": "fr"}, None),
             # No confusion with Congo ("CD")