diff --git a/moto/ec2/models.py b/moto/ec2/models.py
index ce9c3ef5b..120cda7e4 100644
--- a/moto/ec2/models.py
+++ b/moto/ec2/models.py
@@ -1528,6 +1528,7 @@ class RegionsAndZonesBackend(object):
         "ca-central-1",
         "eu-central-1",
         "eu-north-1",
+        "eu-south-1",
         "eu-west-1",
         "eu-west-2",
         "eu-west-3",
@@ -1679,6 +1680,11 @@ class RegionsAndZonesBackend(object):
             Zone(region_name="eu-central-1", name="eu-central-1b", zone_id="euc1-az3"),
             Zone(region_name="eu-central-1", name="eu-central-1c", zone_id="euc1-az1"),
         ],
+        "eu-south-1": [
+            Zone(region_name="eu-south-1", name="eu-south-1a", zone_id="eus1-az1"),
+            Zone(region_name="eu-south-1", name="eu-south-1b", zone_id="eus1-az2"),
+            Zone(region_name="eu-south-1", name="eu-south-1c", zone_id="eus1-az3"),
+        ],
         "us-east-1": [
             Zone(region_name="us-east-1", name="us-east-1a", zone_id="use1-az6"),
             Zone(region_name="us-east-1", name="us-east-1b", zone_id="use1-az1"),