diff --git a/core/src/main/java/mc/core/Location.java b/core/src/main/java/mc/core/Location.java
index 191aa99..1171d68 100644
--- a/core/src/main/java/mc/core/Location.java
+++ b/core/src/main/java/mc/core/Location.java
@@ -6,7 +6,9 @@ package mc.core;
 
 import lombok.Data;
 import mc.core.exception.ResourceUnloadedException;
+import mc.core.world.Chunk;
 import mc.core.world.World;
+import sun.reflect.generics.reflectiveObjects.NotImplementedException;
 
 import java.io.Serializable;
 import java.lang.ref.Reference;
@@ -111,4 +113,8 @@ public class Location implements Serializable{
         this.world = new WeakReference<>(world);
     }
 
+    public Chunk getChunk() {
+        throw new NotImplementedException();
+    }
+
 }
diff --git a/core/src/main/java/mc/core/world/Region.java b/core/src/main/java/mc/core/world/Region.java
index 17e936b..fc91637 100644
--- a/core/src/main/java/mc/core/world/Region.java
+++ b/core/src/main/java/mc/core/world/Region.java
@@ -21,8 +21,8 @@ import java.io.Serializable;
  *
  */
 public interface Region extends Serializable{
-    ChunkSection getChunkAt(int x, int y, int z);
-    void setChunk(int x, int y, int z, ChunkSection chunkSection);
+    Chunk getChunk (int x, int z);
+    void setChunk(int x, int z, Chunk chunk);
 
     int getX();
     int getZ();