diff --git a/src/Serializer/AbstractItemNormalizer.php b/src/Serializer/AbstractItemNormalizer.php
index 7063d3d19f..5f60aacc6f 100644
--- a/src/Serializer/AbstractItemNormalizer.php
+++ b/src/Serializer/AbstractItemNormalizer.php
@@ -15,10 +15,11 @@
 
 use ApiPlatform\Api\IriConverterInterface as LegacyIriConverterInterface;
 use ApiPlatform\Api\ResourceClassResolverInterface as LegacyResourceClassResolverInterface;
-use ApiPlatform\Exception\InvalidArgumentException;
+use ApiPlatform\Exception\InvalidArgumentException as LegacyInvalidArgumentException;
 use ApiPlatform\Exception\ItemNotFoundException;
 use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\CollectionOperationInterface;
+use ApiPlatform\Metadata\Exception\InvalidArgumentException;
 use ApiPlatform\Metadata\IriConverterInterface;
 use ApiPlatform\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
 use ApiPlatform\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
@@ -244,7 +245,7 @@ public function denormalize(mixed $data, string $class, ?string $format = null,
                 return $this->iriConverter->getResourceFromIri($data, $context + ['fetch_data' => true]);
             } catch (ItemNotFoundException $e) {
                 throw new UnexpectedValueException($e->getMessage(), $e->getCode(), $e);
-            } catch (InvalidArgumentException $e) {
+            } catch (LegacyInvalidArgumentException|InvalidArgumentException $e) {
                 throw new UnexpectedValueException(\sprintf('Invalid IRI "%s".', $data), $e->getCode(), $e);
             }
         }
@@ -541,9 +542,14 @@ protected function denormalizeCollection(string $attribute, ApiProperty $propert
         $childContext = $this->createChildContext($this->createOperationContext($context, $className), $attribute, $format);
         $collectionKeyTypes = $type->getCollectionKeyTypes();
         foreach ($value as $index => $obj) {
+            $currentChildContext = $childContext;
+            if (isset($childContext['deserialization_path'])) {
+                $currentChildContext['deserialization_path'] = "{$childContext['deserialization_path']}[{$index}]";
+            }
+
             // no typehint provided on collection key
             if (!$collectionKeyTypes) {
-                $values[$index] = $this->denormalizeRelation($attribute, $propertyMetadata, $className, $obj, $format, $childContext);
+                $values[$index] = $this->denormalizeRelation($attribute, $propertyMetadata, $className, $obj, $format, $currentChildContext);
                 continue;
             }
 
@@ -554,7 +560,7 @@ protected function denormalizeCollection(string $attribute, ApiProperty $propert
                     continue;
                 }
 
-                $values[$index] = $this->denormalizeRelation($attribute, $propertyMetadata, $className, $obj, $format, $childContext);
+                $values[$index] = $this->denormalizeRelation($attribute, $propertyMetadata, $className, $obj, $format, $currentChildContext);
                 continue 2;
             }
             throw NotNormalizableValueException::createForUnexpectedDataType(\sprintf('The type of the key "%s" must be "%s", "%s" given.', $index, $collectionKeyTypes[0]->getBuiltinType(), \gettype($index)), $index, [$collectionKeyTypes[0]->getBuiltinType()], ($context['deserialization_path'] ?? false) ? \sprintf('key(%s)', $context['deserialization_path']) : null, true);
@@ -590,7 +596,7 @@ protected function denormalizeRelation(string $attributeName, ApiProperty $prope
                 );
 
                 return null;
-            } catch (InvalidArgumentException $e) {
+            } catch (LegacyInvalidArgumentException|InvalidArgumentException $e) {
                 if (!isset($context['not_normalizable_value_exceptions'])) {
                     throw new UnexpectedValueException(\sprintf('Invalid IRI "%s".', $value), $e->getCode(), $e);
                 }
diff --git a/src/Serializer/Tests/AbstractItemNormalizerTest.php b/src/Serializer/Tests/AbstractItemNormalizerTest.php
index 55c5be3d95..95a7f1d824 100644
--- a/src/Serializer/Tests/AbstractItemNormalizerTest.php
+++ b/src/Serializer/Tests/AbstractItemNormalizerTest.php
@@ -15,6 +15,7 @@
 
 use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Exception\InvalidArgumentException;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
 use ApiPlatform\Metadata\IriConverterInterface;
@@ -1034,6 +1035,56 @@ public function testBadRelationTypeWithExceptionToValidationErrors(): void
         $this->assertNull($actual->relatedDummy);
     }
 
+    public function testDeserializationPathForNotDenormalizableRelations(): void
+    {
+        $data = [
+            'relatedDummies' => ['wrong'],
+        ];
+
+        $propertyNameCollectionFactoryProphecy = $this->prophesize(PropertyNameCollectionFactoryInterface::class);
+        $propertyNameCollectionFactoryProphecy->create(Dummy::class, [])->willReturn(new PropertyNameCollection(['relatedDummies']));
+
+        $propertyMetadataFactoryProphecy = $this->prophesize(PropertyMetadataFactoryInterface::class);
+        $propertyMetadataFactoryProphecy->create(Dummy::class, 'relatedDummies', [])->willReturn(
+            (new ApiProperty())->withBuiltinTypes([new Type(Type::BUILTIN_TYPE_OBJECT, false, null, true, null, new Type(Type::BUILTIN_TYPE_OBJECT, false, RelatedDummy::class))])->withReadable(false)->withWritable(true)->withReadableLink(false)->withWritableLink(true)
+        );
+
+        $iriConverterProphecy = $this->prophesize(IriConverterInterface::class);
+        $iriConverterProphecy->getResourceFromIri(Argument::cetera())->willThrow(new InvalidArgumentException('Invalid IRI'));
+
+        $resourceClassResolverProphecy = $this->prophesize(ResourceClassResolverInterface::class);
+        $resourceClassResolverProphecy->getResourceClass(null, Dummy::class)->willReturn(Dummy::class);
+        $resourceClassResolverProphecy->getResourceClass(null, RelatedDummy::class)->willReturn(RelatedDummy::class);
+        $resourceClassResolverProphecy->isResourceClass(Dummy::class)->willReturn(true);
+        $resourceClassResolverProphecy->isResourceClass(RelatedDummy::class)->willReturn(true);
+
+        $propertyAccessorProphecy = $this->prophesize(PropertyAccessorInterface::class);
+
+        $serializerProphecy = $this->prophesize(SerializerInterface::class);
+        $serializerProphecy->willImplement(DenormalizerInterface::class);
+
+        $normalizer = $this->getMockForAbstractClass(AbstractItemNormalizer::class, [
+            $propertyNameCollectionFactoryProphecy->reveal(),
+            $propertyMetadataFactoryProphecy->reveal(),
+            $iriConverterProphecy->reveal(),
+            $resourceClassResolverProphecy->reveal(),
+            $propertyAccessorProphecy->reveal(),
+            null,
+            null,
+            [],
+            null,
+            null,
+        ]);
+        $normalizer->setSerializer($serializerProphecy->reveal());
+
+        $errors = [];
+        $actual = $normalizer->denormalize($data, Dummy::class, null, ['not_normalizable_value_exceptions' => &$errors]);
+        $this->assertEmpty($actual->relatedDummies);
+        $this->assertCount(1, $errors); // @phpstan-ignore-line method.impossibleType (false positive)
+        $this->assertInstanceOf(NotNormalizableValueException::class, $errors[0]);
+        $this->assertSame('relatedDummies[0]', $errors[0]->getPath());
+    }
+
     public function testInnerDocumentNotAllowed(): void
     {
         $this->expectException(UnexpectedValueException::class);