diff --git a/charts/stable/nextcloud/Chart.yaml b/charts/stable/nextcloud/Chart.yaml
index 45b6a1000c4..d7f916f0e1a 100644
--- a/charts/stable/nextcloud/Chart.yaml
+++ b/charts/stable/nextcloud/Chart.yaml
@@ -37,7 +37,7 @@ sources:
   - https://github.com/nextcloud/docker
   - https://github.com/nextcloud/helm
 type: application
-version: 15.2.45
+version: 15.2.46
 annotations:
   truecharts.org/catagories: |
     - cloud
diff --git a/charts/stable/nextcloud/docs/validation.md b/charts/stable/nextcloud/docs/validation.md
new file mode 100644
index 00000000000..bda44241763
--- /dev/null
+++ b/charts/stable/nextcloud/docs/validation.md
@@ -0,0 +1,13 @@
+# Input Validation
+
+**`Default Phone Region`**
+Accepted formats are:
+
+- 2x Capital Letters (eg. `US`)
+
+Regex used to match this: `^[A-Z]{2}$`
+You can try live [here](https://regex101.com/r/qf1Lti/1)
+
+---
+
+_If you find a field that you think it needs validation, please open an issue on github_
diff --git a/charts/stable/nextcloud/questions.yaml b/charts/stable/nextcloud/questions.yaml
index 2653c464127..bd10206e054 100644
--- a/charts/stable/nextcloud/questions.yaml
+++ b/charts/stable/nextcloud/questions.yaml
@@ -67,6 +67,20 @@ questions:
             required: true
             $ref:
               - "definitions/nodeIP"
+  - variable: nextcloud
+    group: "Container Configuration"
+    label: "Nextcloud Configuration"
+    schema:
+      additional_attrs: true
+      type: dict
+      attrs:
+        - variable: default_phone_region
+          label: "Default Phone Region"
+          description: "Sets the default phone region in ISO_3166-1 format (e.g. US). https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements"
+          schema:
+            type: string
+            valid_chars: '^[A-Z]{2}$'
+            default: ""
   - variable: imaginary
     group: "Container Configuration"
     label: "Preview Generation Configuration"
diff --git a/charts/stable/nextcloud/templates/_hpb.tpl b/charts/stable/nextcloud/templates/_hpb.tpl
index 4adac4a5e67..e22c0f709dd 100644
--- a/charts/stable/nextcloud/templates/_hpb.tpl
+++ b/charts/stable/nextcloud/templates/_hpb.tpl
@@ -117,6 +117,11 @@ command:
     {{- end }}
     php /var/www/html/occ config:system:set overwrite.cli.url --value='{{ $url }}'
 
+    # Set default phone region
+    {{- with .Values.nextcloud.default_phone_region | upper }}
+    php /var/www/html/occ config:system:set default_phone_region --value='{{ . }}'
+    {{- end }}
+
     until $(curl --output /dev/null --silent --head --fail -H "Host: test.fakedomain.dns" http://127.0.0.1:7867/push/test/cookie); do
         echo "High Performance Backend not running ... waiting..."
         sleep 10
diff --git a/charts/stable/nextcloud/values.yaml b/charts/stable/nextcloud/values.yaml
index 42b8696c328..fa056cf4db8 100644
--- a/charts/stable/nextcloud/values.yaml
+++ b/charts/stable/nextcloud/values.yaml
@@ -397,6 +397,10 @@ cronjob:
 hpb:
   enabled: true
 
+nextcloud:
+  # https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements
+  default_phone_region: ""
+
 imaginary:
   enabled: true
   preview_max_x: 2048