diff --git a/src/js/restore.js b/src/js/restore.js
index 8bb8dd637..93e17d4ee 100644
--- a/src/js/restore.js
+++ b/src/js/restore.js
@@ -122,6 +122,11 @@ app.controller('RestoreController', ['$scope', 'Client', function ($scope, Clien
         { name: 'Warsaw (WAW)', value: 'https://storage.waw.cloud.ovh.net', region: 'waw' },
     ];
 
+    // https://devops.ionos.com/api/s3/
+    $scope.ionosRegions = [
+        { name: 'DE', value: 'https://s3-de-central.profitbricks.com', region: 's3-de-central' }, // default
+    ];
+
     $scope.wasabiRegions = [
         { name: 'EU Central 1', value: 'https://s3.eu-central-1.wasabisys.com' },
         { name: 'US East 1', value: 'https://s3.us-east-1.wasabisys.com' },
@@ -155,7 +160,8 @@ app.controller('RestoreController', ['$scope', 'Client', function ($scope, Clien
     $scope.s3like = function (provider) {
         return provider === 's3' || provider === 'minio' || provider === 's3-v4-compat' || provider === 'exoscale-sos'
             || provider === 'digitalocean-spaces' || provider === 'wasabi' || provider === 'scaleway-objectstorage'
-            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage' || provider === 'backblaze-b2';
+            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage' || provider === 'backblaze-b2'
+            || provider === 'ionos-objectstorage';
     };
 
     $scope.mountlike = function (provider) {
@@ -204,6 +210,9 @@ app.controller('RestoreController', ['$scope', 'Client', function ($scope, Clien
             } else if (backupConfig.provider === 'ovh-objectstorage') {
                 backupConfig.region = $scope.ovhRegions.find(function (x) { return x.value === $scope.endpoint; }).region;
                 backupConfig.signatureVersion = 'v4';
+            } else if (backupConfig.provider === 'ionos-objectstorage') {
+                backupConfig.region = $scope.ionosRegions.find(function (x) { return x.value === $scope.endpoint; }).region;
+                backupConfig.signatureVersion = 'v4';
             } else if (backupConfig.provider === 'digitalocean-spaces') {
                 backupConfig.region = 'us-east-1';
             }
diff --git a/src/restore.html b/src/restore.html
index feff35bfd..6057df1d6 100644
--- a/src/restore.html
+++ b/src/restore.html
@@ -169,6 +169,11 @@
                                     <select class="form-control" name="region" id="inputConfigureBackupOvhRegion" ng-model="endpoint" ng-options="a.value as a.name for a in ovhRegions" ng-disabled="busy" ng-required="provider === 'ovh-objectstorage'"></select>
                                 </div>
 
+                                <div class="form-group" ng-class="{ 'has-error': error.region }" ng-show="provider === 'ionos-objectstorage'">
+                                    <label class="control-label" for="inputConfigureBackupIonosRegion">Region</label>
+                                    <select class="form-control" name="region" id="inputConfigureBackupIonosRegion" ng-model="endpoint" ng-options="a.value as a.name for a in ionosRegions" ng-disabled="busy" ng-required="provider === 'ionos-objectstorage'"></select>
+                                </div>
+
                                 <div class="form-group" ng-class="{ 'has-error': error.accessKeyId }" ng-show="s3like(provider)">
                                     <label class="control-label" for="inputConfigureBackupAccessKeyId">Access key id</label>
                                     <input type="text" class="form-control" ng-model="accessKeyId" id="inputConfigureBackupAccessKeyId" name="accessKeyId" ng-disabled="busy" ng-required="s3like(provider)">
diff --git a/src/views/app.html b/src/views/app.html
index a81aa3d19..1d8e62af2 100644
--- a/src/views/app.html
+++ b/src/views/app.html
@@ -231,6 +231,11 @@
             <select class="form-control" name="region" id="inputimportBackupOvhRegion" ng-model="importBackup.endpoint" ng-options="a.value as a.name for a in ovhRegions" ng-disabled="importBackup.busy" ng-required="importBackup.provider === 'ovh-objectstorage'"></select>
           </div>
 
+          <div class="form-group" ng-class="{ 'has-error': importBackup.error.region }" ng-show="importBackup.provider === 'ionos-objectstorage'">
+            <label class="control-label" for="inputimportBackupIonosRegion">{{ 'backups.configureBackupStorage.region' | tr }}</label>
+            <select class="form-control" name="region" id="inputimportBackupIonosRegion" ng-model="importBackup.endpoint" ng-options="a.value as a.name for a in ionosRegions" ng-disabled="importBackup.busy" ng-required="importBackup.provider === 'ionos-objectstorage'"></select>
+          </div>
+
           <div class="form-group" ng-class="{ 'has-error': importBackup.error.accessKeyId }" ng-show="s3like(importBackup.provider)">
             <label class="control-label" for="inputImportBackupAccessKeyId">{{ 'backups.configureBackupStorage.s3AccessKeyId' | tr }}</label>
             <input type="text" class="form-control" ng-model="importBackup.accessKeyId" id="inputImportBackupAccessKeyId" name="accessKeyId" ng-disabled="importBackup.busy" ng-required="s3like(importBackup.provider)">
diff --git a/src/views/app.js b/src/views/app.js
index 9b8c6662f..a8dea9cbf 100644
--- a/src/views/app.js
+++ b/src/views/app.js
@@ -80,6 +80,11 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
         { name: 'Warsaw (WAW)', value: 'https://storage.waw.cloud.ovh.net', region: 'waw' },
     ];
 
+    // https://devops.ionos.com/api/s3/
+    $scope.ionosRegions = [
+        { name: 'DE', value: 'https://s3-de-central.profitbricks.com', region: 's3-de-central' }, // default
+    ];
+
     $scope.storageProvider = [
         { name: 'Amazon S3', value: 's3' },
         { name: 'Backblaze B2 (S3 API)', value: 'backblaze-b2' },
@@ -937,7 +942,7 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
         return provider === 's3' || provider === 'minio' || provider === 's3-v4-compat'
             || provider === 'exoscale-sos' || provider === 'digitalocean-spaces'
             || provider === 'scaleway-objectstorage' || provider === 'wasabi' || provider === 'backblaze-b2'
-            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage';
+            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage' || provider === 'ionos-objectstorage';
     };
 
     $scope.mountlike = function (provider) {
@@ -1022,6 +1027,9 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
                 } else if (backupConfig.provider === 'ovh-objectstorage') {
                     backupConfig.region = $scope.ovhRegions.find(function (x) { return x.value === $scope.importBackup.endpoint; }).region;
                     backupConfig.signatureVersion = 'v4';
+                } else if (backupConfig.provider === 'ionos-objectstorage') {
+                    backupConfig.region = $scope.ionosRegions.find(function (x) { return x.value === $scope.importBackup.endpoint; }).region;
+                    backupConfig.signatureVersion = 'v4';
                 } else if (backupConfig.provider === 'digitalocean-spaces') {
                     backupConfig.region = 'us-east-1';
                 }
diff --git a/src/views/backups.html b/src/views/backups.html
index 73ab53f7e..03b7c6b02 100644
--- a/src/views/backups.html
+++ b/src/views/backups.html
@@ -220,6 +220,11 @@
             <select class="form-control" name="region" id="inputConfigureBackupOvhRegion" ng-model="configureBackup.endpoint" ng-options="a.value as a.name for a in ovhRegions" ng-disabled="configureBackup.busy" ng-required="configureBackup.provider === 'ovh-objectstorage'"></select>
           </div>
 
+          <div class="form-group" ng-class="{ 'has-error': configureBackup.error.region }" ng-show="configureBackup.provider === 'ionos-objectstorage'">
+            <label class="control-label" for="inputConfigureBackupIonosRegion">{{ 'backups.configureBackupStorage.region' | tr }}</label>
+            <select class="form-control" name="region" id="inputConfigureBackupIonosRegion" ng-model="configureBackup.endpoint" ng-options="a.value as a.name for a in ionosRegions" ng-disabled="configureBackup.busy" ng-required="configureBackup.provider === 'ionos-objectstorage'"></select>
+          </div>
+
           <div class="form-group" ng-class="{ 'has-error': configureBackup.error.accessKeyId }" ng-show="s3like(configureBackup.provider)">
             <label class="control-label" for="inputConfigureBackupAccessKeyId">{{ 'backups.configureBackupStorage.s3AccessKeyId' | tr }}</label>
             <input type="text" class="form-control" ng-model="configureBackup.accessKeyId" id="inputConfigureBackupAccessKeyId" name="accessKeyId" ng-disabled="configureBackup.busy" ng-required="s3like(configureBackup.provider)">
diff --git a/src/views/backups.js b/src/views/backups.js
index 6bc9b0a42..552c8ff4a 100644
--- a/src/views/backups.js
+++ b/src/views/backups.js
@@ -84,6 +84,11 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
         { name: 'Warsaw (WAW)', value: 'https://storage.waw.cloud.ovh.net', region: 'waw' },
     ];
 
+    // https://devops.ionos.com/api/s3/
+    $scope.ionosRegions = [
+        { name: 'DE', value: 'https://s3-de-central.profitbricks.com', region: 's3-de-central' }, // default
+    ];
+
     $scope.storageProvider = [
         { name: 'Amazon S3', value: 's3' },
         { name: 'Backblaze B2 (S3 API)', value: 'backblaze-b2' },
@@ -92,6 +97,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
         { name: 'Exoscale SOS', value: 'exoscale-sos' },
         { name: 'Filesystem', value: 'filesystem' },
         { name: 'Google Cloud Storage', value: 'gcs' },
+        { name: 'IONOS (Profitbricks)', value: 'ionos-objectstorage' },
         { name: 'Linode Object Storage', value: 'linode-objectstorage' },
         { name: 'Minio', value: 'minio' },
         { name: 'NFS Mount', value: 'nfs' },
@@ -281,7 +287,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
         return provider === 's3' || provider === 'minio' || provider === 's3-v4-compat'
             || provider === 'exoscale-sos' || provider === 'digitalocean-spaces'
             || provider === 'scaleway-objectstorage' || provider === 'wasabi' || provider === 'backblaze-b2'
-            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage';
+            || provider === 'linode-objectstorage' || provider === 'ovh-objectstorage' || provider === 'ionos-objectstorage';
     };
 
     $scope.mountlike = function (provider) {
@@ -545,6 +551,9 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
                 } else if (backupConfig.provider === 'ovh-objectstorage') {
                     backupConfig.region = $scope.ovhRegions.find(function (x) { return x.value === $scope.configureBackup.endpoint; }).region;
                     backupConfig.signatureVersion = 'v4';
+                } else if (backupConfig.provider === 'ionos-objectstorage') {
+                    backupConfig.region = $scope.ionosRegions.find(function (x) { return x.value === $scope.configureBackup.endpoint; }).region;
+                    backupConfig.signatureVersion = 'v4';
                 } else if (backupConfig.provider === 'digitalocean-spaces') {
                     backupConfig.region = 'us-east-1';
                 }