diff --git a/Classes/Domain/Model/Dto/DateDemand.php b/Classes/Domain/Model/Dto/DateDemand.php
index 56d076e..296fd27 100644
--- a/Classes/Domain/Model/Dto/DateDemand.php
+++ b/Classes/Domain/Model/Dto/DateDemand.php
@@ -41,12 +41,6 @@ class DateDemand
      */
     protected $categoryCombination = '';
 
-    /**
-     * @var string
-     * Legacy, superceeded by regions which allows multi select / filter.
-     */
-    protected $region = '';
-
     /**
      * @var int[]
      */
@@ -109,7 +103,7 @@ class DateDemand
         $instance->setSearchword($submittedValues['searchword'] ?? '');
         $instance->setSynonyms($settings['synonyms'] ?? []);
 
-        $instance->setRegion($submittedValues['region'] ?? '');
+        $instance->setRegions(GeneralUtility::intExplode(',', $submittedValues['region'] ?? '', true));
         if (isset($submittedValues['regions']) && is_array($submittedValues['regions'])) {
             $instance->setRegions($submittedValues['regions']);
         }
@@ -231,12 +225,7 @@ class DateDemand
 
     public function getRegion(): string
     {
-        return $this->region;
-    }
-
-    public function setRegion(string $region): void
-    {
-        $this->region = $region;
+        return implode(',', $this->regions);
     }
 
     /**
diff --git a/Classes/Domain/Model/Dto/DateDemandFactory.php b/Classes/Domain/Model/Dto/DateDemandFactory.php
index 7435cdc..7323dec 100644
--- a/Classes/Domain/Model/Dto/DateDemandFactory.php
+++ b/Classes/Domain/Model/Dto/DateDemandFactory.php
@@ -22,6 +22,7 @@ namespace Wrm\Events\Domain\Model\Dto;
  */
 
 use TYPO3\CMS\Core\TypoScript\TypoScriptService;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 
 class DateDemandFactory
@@ -59,7 +60,7 @@ class DateDemandFactory
             }
         }
 
-        $demand->setRegion((string)$settings['region']);
+        $demand->setRegions(GeneralUtility::intExplode(',', (string)$settings['region'], true));
         $demand->setCategories((string)$settings['categories']);
         $categoryCombination = (int)$settings['categoryCombination'] === 1 ? 'or' : 'and';
         $demand->setCategoryCombination($categoryCombination);
diff --git a/Tests/Unit/Domain/Model/Dto/DateDemandTest.php b/Tests/Unit/Domain/Model/Dto/DateDemandTest.php
index ff9ddcc..a4aefd5 100644
--- a/Tests/Unit/Domain/Model/Dto/DateDemandTest.php
+++ b/Tests/Unit/Domain/Model/Dto/DateDemandTest.php
@@ -126,6 +126,31 @@ class DateDemandTest extends TestCase
         );
     }
 
+    /**
+     * @test
+     */
+    public function regionIsSetByRequest(): void
+    {
+        $result = DateDemand::createFromRequestValues(
+            [
+                'region' => '10',
+            ],
+            [
+            ]
+        );
+
+        self::assertSame(
+            [
+                10,
+            ],
+            $result->getRegions()
+        );
+        self::assertSame(
+            '10',
+            $result->getRegion()
+        );
+    }
+
     /**
      * @test
      */
@@ -148,6 +173,10 @@ class DateDemandTest extends TestCase
             ],
             $result->getRegions()
         );
+        self::assertSame(
+            '10,20',
+            $result->getRegion()
+        );
     }
 
     /**