diff --git a/src/main/angular/src/app/api/group/group.service.ts b/src/main/angular/src/app/api/group/group.service.ts
index 586271b..b240b65 100644
--- a/src/main/angular/src/app/api/group/group.service.ts
+++ b/src/main/angular/src/app/api/group/group.service.ts
@@ -32,7 +32,7 @@ export class GroupService {
     this.api.postList(['Group', 'findAllCommon'], uuid, Group.fromJson, next);
   }
 
-  findAllJoined(next: Next<Group[]>) {
+  findAllJoined(next: Next<Group[]>): void {
     this.api.getList(['Group', 'findAllJoined'], Group.fromJson, next);
   }
 
@@ -40,7 +40,7 @@ export class GroupService {
     this.api.getSingle(['Group', 'create'], Group.fromJson, next);
   }
 
-  changeTitle(group: Group, title: string, next?: Next<Group>) {
+  changeTitle(group: Group, title: string, next?: Next<Group>): void {
     const data = {
       uuid: group.uuid,
       title: title,
@@ -48,7 +48,7 @@ export class GroupService {
     this.api.postSingle(['Group', 'changeTitle'], data, Group.fromJson, next);
   }
 
-  changePassword(group: Group, password: string, next?: Next<Group>) {
+  changePassword(group: Group, password: string, next?: Next<Group>): void {
     const data = {
       uuid: group.uuid,
       password: password,
@@ -68,7 +68,7 @@ export class GroupService {
     this.api.postNone(['Group', 'leave'], group, next);
   }
 
-  goto(uuid: string) {
+  goto(uuid: string): void {
     this.router.navigate(['Group', uuid]);
   }
 
@@ -76,5 +76,13 @@ export class GroupService {
     return new Subscribed<Group>(Group.sameUuid, (group, next) => this.api.subscribe(['Group', group.uuid], Group.fromJson, next));
   }
 
+  gotoGroups(): void {
+    this.router.navigate(['Groups']);
+  }
+
+  delete(group: Group, next: Next<void>): void {
+    this.api.postNone(['Group', 'delete'], group.uuid, next);
+  }
+
 }
 
diff --git a/src/main/angular/src/app/pages/group/group/group.component.html b/src/main/angular/src/app/pages/group/group/group.component.html
index fb311ca..bacbae2 100644
--- a/src/main/angular/src/app/pages/group/group/group.component.html
+++ b/src/main/angular/src/app/pages/group/group/group.component.html
@@ -68,6 +68,19 @@
       </div>
     </div>
 
+    <div class="tile" *ngIf="userService.iOwn(group.value)">
+      <div class="tileInner">
+        <div class="tileTitle">
+          Löschen
+        </div>
+        <div class="tileContent">
+          <button (click)="delete(group.value)">
+            Löschen
+          </button>
+        </div>
+      </div>
+    </div>
+
   </ng-container>
 
 </div>
diff --git a/src/main/angular/src/app/pages/group/group/group.component.ts b/src/main/angular/src/app/pages/group/group/group.component.ts
index 357d10e..fa24ef5 100644
--- a/src/main/angular/src/app/pages/group/group/group.component.ts
+++ b/src/main/angular/src/app/pages/group/group/group.component.ts
@@ -80,18 +80,22 @@ export class GroupComponent implements OnInit, OnDestroy {
     this.group.unsubscribe();
   }
 
-  protected changeTitle(group: Group, title: string) {
+  protected changeTitle(group: Group, title: string): void {
     this.groupService.changeTitle(group, title, group => this.group.value = group);
   }
 
-  protected changePassword(group: Group, password: string) {
+  protected changePassword(group: Group, password: string): void {
     this.groupService.changePassword(group, password, group => this.group.value = group);
   }
 
-  protected join(password: string) {
+  protected join(password: string): void {
     if (this.uuid) {
       this.groupService.join(this.uuid, password, group => this.group.value = group);
     }
   }
 
+  protected delete(group: Group): void {
+    this.groupService.delete(group, () => this.groupService.gotoGroups());
+  }
+
 }
diff --git a/src/main/java/de/ph87/tools/group/Group.java b/src/main/java/de/ph87/tools/group/Group.java
index ab508d1..9ed3fc9 100644
--- a/src/main/java/de/ph87/tools/group/Group.java
+++ b/src/main/java/de/ph87/tools/group/Group.java
@@ -26,6 +26,7 @@ public class Group extends GroupAbstract implements IWebSocketMessage {
   private String uuid = UUID.randomUUID().toString();
 
   @Transient
+  @ToString.Exclude
   private GroupUuid _uuid;
 
   @NonNull
@@ -37,9 +38,16 @@ public class Group extends GroupAbstract implements IWebSocketMessage {
   }
 
   @NonNull
+  @ToString.Exclude
   @ManyToOne(optional = false)
   private User owner;
 
+  @NonNull
+  @ToString.Include
+  public String ownerPublicUuid() {
+    return getOwner().getPublicUuid().toString();
+  }
+
   @NonNull
   @Column(nullable = false)
   private ZonedDateTime created = ZonedDateTime.now();
diff --git a/src/main/java/de/ph87/tools/group/GroupAccessService.java b/src/main/java/de/ph87/tools/group/GroupAccessService.java
index 43ad36e..af00e0b 100644
--- a/src/main/java/de/ph87/tools/group/GroupAccessService.java
+++ b/src/main/java/de/ph87/tools/group/GroupAccessService.java
@@ -1,6 +1,7 @@
 package de.ph87.tools.group;
 
 import de.ph87.tools.group.uuid.GroupUuid;
+import de.ph87.tools.tools.numbers.NumbersRepository;
 import de.ph87.tools.user.User;
 import de.ph87.tools.user.UserService;
 import de.ph87.tools.user.uuid.UserPrivateUuid;
@@ -23,7 +24,9 @@ public class GroupAccessService {
 
   private final UserService userService;
 
-  public boolean canAccess(@NonNull final GroupUuid groupUuid, @Nullable final UserPrivateUuid userPrivateUuid) {
+  private final NumbersRepository numbersRepository;
+
+  public boolean canAccess(@Nullable final UserPrivateUuid userPrivateUuid, @NonNull final GroupUuid groupUuid) {
     final User user = userService.accessOrNull(userPrivateUuid);
     if (user == null) {
       return false;
@@ -32,6 +35,13 @@ public class GroupAccessService {
     return group.getUsers().contains(user);
   }
 
+  public void delete(@NonNull final UserPrivateUuid userPrivateUuid, @NonNull final GroupUuid groupUuid) {
+    final GroupAccess groupAccess = accessAsOwner(userPrivateUuid, groupUuid);
+    numbersRepository.deleteAllByGroup(groupAccess.group);
+    groupRepository.delete(groupAccess.group);
+    log.info("Group deleted: group={}", groupAccess.group);
+  }
+
   @NonNull
   public GroupAccess access(@NonNull final UserPrivateUuid userPrivateUuid, @NonNull final GroupUuid groupUuid) {
     final User user = userService.access(userPrivateUuid);
@@ -39,12 +49,13 @@ public class GroupAccessService {
     return new GroupAccess(user, group);
   }
 
+  @NonNull
   public GroupAccess accessAsOwner(@NonNull final UserPrivateUuid userPrivateUuid, @NonNull final GroupUuid groupUuid) {
-    final GroupAccess access = access(userPrivateUuid, groupUuid);
-    if (!access.group.isOwnedBy(access.user)) {
+    final GroupAccess groupAccess = access(userPrivateUuid, groupUuid);
+    if (!groupAccess.group.isOwnedBy(groupAccess.user)) {
       throw new ResponseStatusException(HttpStatus.BAD_REQUEST);
     }
-    return access;
+    return groupAccess;
   }
 
   @NonNull
diff --git a/src/main/java/de/ph87/tools/group/GroupController.java b/src/main/java/de/ph87/tools/group/GroupController.java
index c42013b..77ef264 100644
--- a/src/main/java/de/ph87/tools/group/GroupController.java
+++ b/src/main/java/de/ph87/tools/group/GroupController.java
@@ -31,7 +31,12 @@ public class GroupController {
 
   @PostMapping("canAccess")
   public boolean canAccess(@Nullable final UserPrivateUuid privateUuid, @NonNull final GroupUuid groupUuid) {
-    return groupAccessService.canAccess(groupUuid, privateUuid);
+    return groupAccessService.canAccess(privateUuid, groupUuid);
+  }
+
+  @PostMapping("delete")
+  public void delete(@NonNull final UserPrivateUuid privateUuid, @NonNull final GroupUuid groupUuid) {
+    groupAccessService.delete(privateUuid, groupUuid);
   }
 
   @PostMapping("get")
diff --git a/src/main/java/de/ph87/tools/tools/numbers/NumbersRepository.java b/src/main/java/de/ph87/tools/tools/numbers/NumbersRepository.java
index 35204da..06ec9df 100644
--- a/src/main/java/de/ph87/tools/tools/numbers/NumbersRepository.java
+++ b/src/main/java/de/ph87/tools/tools/numbers/NumbersRepository.java
@@ -11,4 +11,6 @@ public interface NumbersRepository extends ListCrudRepository<Numbers, String> {
   @NonNull
   Page<Numbers> findAllByGroup(@NonNull Group group, @NonNull Pageable pageable);
 
+  void deleteAllByGroup(@NonNull Group group);
+
 }