Rename "billing_regione" to "billing_region"

app/code/Magento/Sales/Model/ResourceModel/Order/Customer/Collection.php

@@ -117,7 +117,7 @@ protected function _initSelect()
             null,
             'left'
         )->joinAttribute(
-            'billing_regione',
+            'billing_region',
             'customer_address/region',
             'default_billing',
             null,

app/code/Magento/Sales/view/adminhtml/layout/sales_order_create_customer_block.xml

@@ -67,10 +67,10 @@
                             <argument name="type" xsi:type="string">country</argument>
                         </arguments>
                     </block>
-                    <block class="Magento\Backend\Block\Widget\Grid\Column" name="adminhtml.customer.grid.columnSet.billing_regione" as="billing_regione">
+                    <block class="Magento\Backend\Block\Widget\Grid\Column" name="adminhtml.customer.grid.columnSet.billing_region" as="billing_region">
                         <arguments>
                             <argument name="header" xsi:type="string" translate="true">State/Province</argument>
-                            <argument name="index" xsi:type="string">billing_regione</argument>
+                            <argument name="index" xsi:type="string">billing_region</argument>
                         </arguments>
                     </block>
                     <block class="Magento\Backend\Block\Widget\Grid\Column" name="adminhtml.customer.grid.columnSet.store_name" as="store_name">

dev/tests/integration/testsuite/Magento/Sales/Model/ResourceModel/Order/Customer/CollectionTest.php

@@ -21,12 +21,18 @@ class CollectionTest extends TestCase
      */
     private $objectManager;
 
+    /**
+     * @var Collection
+     */
+    private $collection;
+
     /**
      * @inheritDoc
      */
     protected function setUp(): void
     {
         $this->objectManager = Bootstrap::getObjectManager();
+        $this->collection = $this->objectManager->get(Collection::class);
     }
 
     /**
@@ -85,4 +91,37 @@ public function testCollectionWithWebsiteStoreFilter(): void
         $this->assertEquals($website->getName(), $customerWithStoreWebsiteFilter->getWebsiteName());
         $this->assertEquals($store->getName(), $customerWithStoreWebsiteFilter->getStoreName());
     }
+
+    /**
+     * Attribute data provider
+     *
+     * @return array
+     */
+    public function joinAttribute():array
+    {
+        return [
+            ['billing_postcode'],
+            ['billing_city'],
+            ['billing_telephone'],
+            ['billing_region'],
+            ['billing_country_id']
+        ];
+    }
+
+    /**
+     * Attribute presence test
+     *
+     * @magentoDataFixture Magento/Customer/_files/customer.php
+     * @magentoDataFixture Magento/Customer/_files/customer_address.php
+     * @dataProvider joinAttribute
+     * @param string $attribute
+     * @return void
+     */
+    public function testAttributePresent($attribute): void
+    {
+        $customers = $this->collection->getItems();
+        foreach ($customers as $customer) {
+            $this->assertNotEmpty($customer->getData($attribute), "Attribute '$attribute' is not present");
+        }
+    }
 }