diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index ca075d30f..bdd508e9b 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -19,7 +19,7 @@ jobs:
       - name: codespell
         uses: codespell-project/actions-codespell@v2
         with:
-          ignore_words_list: erro,clienta,hastable,iif,groupd,testin
+          ignore_words_list: erro,clienta,hastable,iif,groupd,testin,groupe
           skip: go.mod,go.sum
           only_warn: 1
   golangci:
diff --git a/management/server/group.go b/management/server/group.go
index 8f8196e3b..69140bc00 100644
--- a/management/server/group.go
+++ b/management/server/group.go
@@ -10,13 +10,13 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/management/server/activity"
+	routerTypes "github.com/netbirdio/netbird/management/server/networks/routers/types"
+	"github.com/netbirdio/netbird/management/server/status"
 	"github.com/netbirdio/netbird/management/server/store"
 	"github.com/netbirdio/netbird/management/server/types"
 	"github.com/netbirdio/netbird/management/server/util"
 	"github.com/netbirdio/netbird/route"
-
-	"github.com/netbirdio/netbird/management/server/activity"
-	"github.com/netbirdio/netbird/management/server/status"
 )
 
 type GroupLinkError struct {
@@ -498,6 +498,10 @@ func validateDeleteGroup(ctx context.Context, transaction store.Store, group *ty
 		return &GroupLinkError{"user", linkedUser.Id}
 	}
 
+	if isLinked, linkedRouter := isGroupLinkedToNetworkRouter(ctx, transaction, group.AccountID, group.ID); isLinked {
+		return &GroupLinkError{"network router", linkedRouter.ID}
+	}
+
 	return checkGroupLinkedToSettings(ctx, transaction, group)
 }
 
@@ -613,6 +617,22 @@ func isGroupLinkedToUser(ctx context.Context, transaction store.Store, accountID
 	return false, nil
 }
 
+// isGroupLinkedToNetworkRouter checks if a group is linked to any network router in the account.
+func isGroupLinkedToNetworkRouter(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *routerTypes.NetworkRouter) {
+	routers, err := transaction.GetNetworkRoutersByAccountID(ctx, store.LockingStrengthShare, accountID)
+	if err != nil {
+		log.WithContext(ctx).Errorf("error retrieving network routers while checking group linkage: %v", err)
+		return false, nil
+	}
+
+	for _, router := range routers {
+		if slices.Contains(router.PeerGroups, groupID) {
+			return true, router
+		}
+	}
+	return false, nil
+}
+
 // areGroupChangesAffectPeers checks if any changes to the specified groups will affect peers.
 func areGroupChangesAffectPeers(ctx context.Context, transaction store.Store, accountID string, groupIDs []string) (bool, error) {
 	if len(groupIDs) == 0 {
@@ -637,6 +657,9 @@ func areGroupChangesAffectPeers(ctx context.Context, transaction store.Store, ac
 		if linked, _ := isGroupLinkedToRoute(ctx, transaction, accountID, groupID); linked {
 			return true, nil
 		}
+		if linked, _ := isGroupLinkedToNetworkRouter(ctx, transaction, accountID, groupID); linked {
+			return true, nil
+		}
 	}
 
 	return false, nil
diff --git a/management/server/group_test.go b/management/server/group_test.go
index b21b5e834..8cdef1dd8 100644
--- a/management/server/group_test.go
+++ b/management/server/group_test.go
@@ -11,9 +11,19 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	"github.com/netbirdio/management-integrations/integrations"
 	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/management/server/groups"
+	"github.com/netbirdio/netbird/management/server/networks"
+	"github.com/netbirdio/netbird/management/server/networks/resources"
+	"github.com/netbirdio/netbird/management/server/networks/routers"
+	routerTypes "github.com/netbirdio/netbird/management/server/networks/routers/types"
+	networkTypes "github.com/netbirdio/netbird/management/server/networks/types"
+	"github.com/netbirdio/netbird/management/server/permissions"
+	"github.com/netbirdio/netbird/management/server/settings"
 	"github.com/netbirdio/netbird/management/server/status"
 	"github.com/netbirdio/netbird/management/server/types"
+	"github.com/netbirdio/netbird/management/server/users"
 	"github.com/netbirdio/netbird/route"
 )
 
@@ -414,6 +424,11 @@ func TestGroupAccountPeersUpdate(t *testing.T) {
 			Name:  "GroupD",
 			Peers: []string{},
 		},
+		{
+			ID:    "groupE",
+			Name:  "GroupE",
+			Peers: []string{peer2.ID},
+		},
 	})
 	assert.NoError(t, err)
 
@@ -673,4 +688,54 @@ func TestGroupAccountPeersUpdate(t *testing.T) {
 			t.Error("timeout waiting for peerShouldReceiveUpdate")
 		}
 	})
+
+	// Saving a group linked to network router should update account peers and send peer update
+	t.Run("saving group linked to network router", func(t *testing.T) {
+		userManager := users.NewManager(manager.Store)
+		extraSettingsManager := integrations.NewManager(nil)
+		settingsManager := settings.NewManager(manager.Store, userManager, extraSettingsManager)
+		permissionsManager := permissions.NewManager(userManager, settingsManager)
+		groupsManager := groups.NewManager(manager.Store, permissionsManager, manager)
+		resourcesManager := resources.NewManager(manager.Store, permissionsManager, groupsManager, manager)
+		routersManager := routers.NewManager(manager.Store, permissionsManager, manager)
+		networksManager := networks.NewManager(manager.Store, permissionsManager, resourcesManager, routersManager, manager)
+
+		network, err := networksManager.CreateNetwork(context.Background(), userID, &networkTypes.Network{
+			ID:          "network_test",
+			AccountID:   account.Id,
+			Name:        "network_test",
+			Description: "",
+		})
+		require.NoError(t, err)
+
+		_, err = routersManager.CreateRouter(context.Background(), userID, &routerTypes.NetworkRouter{
+			ID:         "router_test",
+			NetworkID:  network.ID,
+			AccountID:  account.Id,
+			PeerGroups: []string{"groupE"},
+			Masquerade: true,
+			Metric:     9999,
+			Enabled:    true,
+		})
+		require.NoError(t, err)
+
+		done := make(chan struct{})
+		go func() {
+			peerShouldReceiveUpdate(t, updMsg)
+			close(done)
+		}()
+
+		err = manager.SaveGroup(context.Background(), account.Id, userID, &types.Group{
+			ID:    "groupE",
+			Name:  "GroupE",
+			Peers: []string{peer2.ID, peer3.ID},
+		})
+		assert.NoError(t, err)
+
+		select {
+		case <-done:
+		case <-time.After(time.Second):
+			t.Error("timeout waiting for peerShouldReceiveUpdate")
+		}
+	})
 }