diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionListener.java b/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionListener.java
new file mode 100644
index 00000000..09b26cd3
--- /dev/null
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionListener.java
@@ -0,0 +1,194 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.region;
+
+import com.sun.istack.internal.NotNull;
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.linkage.LinkageType;
+import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.bausystem.region.Region;
+import de.steamwar.bausystem.region.tags.Tag;
+import org.bukkit.Location;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.*;
+import org.bukkit.event.entity.EntityChangeBlockEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.event.entity.EntitySpawnEvent;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+import org.bukkit.event.inventory.InventoryMoveItemEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.scheduler.BukkitRunnable;
+
+
+@Linked(LinkageType.LISTENER)
+public class RegionListener implements Listener {
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockFromTo(final BlockFromToEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+        RegionListener.tagChangedRegion(event.getToBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockIgnite(final BlockIgniteEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockBurn(final BlockBurnEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockPhysics(final BlockPhysicsEvent event) {
+        if (event.getBlock().getType() != event.getChangedType()) RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onLeavesDecay(final LeavesDecayEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBLockForm(final BlockFormEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockSpread(final BlockSpreadEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockExplode(final BlockExplodeEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onEntityExplode(final EntityExplodeEvent event) {
+        RegionListener.tagChangedRegion(event.getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onExplosionPrime(final ExplosionPrimeEvent event) {
+        RegionListener.tagChangedRegion(event.getEntity().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockMultiPlace(final BlockMultiPlaceEvent event) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                event.getReplacedBlockStates().forEach(blockState -> RegionListener.tagChangedRegion(blockState.getLocation()));
+            }
+        }.runTaskAsynchronously(BauSystem.getInstance());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockPlace(final BlockPlaceEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onCanBuild(final BlockCanBuildEvent event) {
+        if (event.isBuildable()) RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockBreak(final BlockBreakEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onInteract(final PlayerInteractEvent event) {
+        if (event.getClickedBlock() != null) RegionListener.tagChangedRegion(event.getClickedBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onEntitySpawn(final EntitySpawnEvent event) {
+        RegionListener.tagChangedRegion(event.getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onEntityChangeBlock(final EntityChangeBlockEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPistonExtend(final BlockPistonExtendEvent event) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                event.getBlocks().forEach(block -> RegionListener.tagChangedRegion(block.getLocation()));
+            }
+        }.runTaskAsynchronously(BauSystem.getInstance());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPistonRetract(final BlockPistonRetractEvent event) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                event.getBlocks().forEach(block -> RegionListener.tagChangedRegion(block.getLocation()));
+            }
+        }.runTaskAsynchronously(BauSystem.getInstance());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockGrow(final BlockGrowEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockRedstone(final BlockRedstoneEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockDispense(final BlockDispenseEvent event) {
+        RegionListener.tagChangedRegion(event.getBlock().getLocation());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onInventoryMoveItemMonitor(final InventoryMoveItemEvent event) {
+        final Location source = event.getSource().getLocation();
+        final Location destination = event.getDestination().getLocation();
+
+        if (source != null) {
+            RegionListener.tagChangedRegion(source);
+        }
+
+        if (destination != null) {
+            RegionListener.tagChangedRegion(destination);
+        }
+    }
+
+
+    private static void tagChangedRegion(final Location location) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                Region.getRegion(location).set(Tag.CHANGED);
+            }
+        }.runTaskAsynchronously(BauSystem.getInstance());
+    }
+}
\ No newline at end of file
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
index c0271d06..3233b284 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
@@ -23,6 +23,7 @@ import com.sk89q.worldedit.EditSession;
 import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.flags.flagvalues.ColorMode;
 import de.steamwar.bausystem.region.flags.flagvalues.TNTMode;
+import de.steamwar.bausystem.region.tags.Tag;
 import de.steamwar.bausystem.region.utils.RegionExtensionType;
 import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.shared.SizedStack;
@@ -280,6 +281,13 @@ public class Region {
         setLinkedRegion(region -> region.flagStorage.set(flagType, value));
     }
 
+    public void set(Tag tag) {
+        if (flagStorage.set(tag)) {
+            RegionUtils.save(this);
+        }
+        setLinkedRegion(region -> region.flagStorage.set(tag));
+    }
+
     public Flag.Value<?> get(Flag flagType) {
         return flagStorage.get(flagType);
     }