diff --git a/runelite-api/src/main/java/net/runelite/api/Constants.java b/runelite-api/src/main/java/net/runelite/api/Constants.java
index 7c270ef4a2..b1cfde8dde 100644
--- a/runelite-api/src/main/java/net/runelite/api/Constants.java
+++ b/runelite-api/src/main/java/net/runelite/api/Constants.java
@@ -62,6 +62,11 @@ public class Constants
 	 */
 	public static final int CHUNK_SIZE = 8;
 
+	/**
+	 * The width and length of a map region (64x64 tiles).
+	 */
+	public static final int REGION_SIZE = 64;
+
 	/**
 	 * The width and length of the scene (13 chunks x 8 tiles).
 	 */