diff --git a/regionNames/SRB.json b/regionNames/SRB.json
index 732ca2c..fe4357b 100644
--- a/regionNames/SRB.json
+++ b/regionNames/SRB.json
@@ -23,5 +23,7 @@
   "RS-21": "Toplica",
   "RS-22": "Pirot",
   "RS-23": "Jablanica",
-  "RS-24": "Pčinja"
+  "RS-24": "Pčinja",
+  "RS-VO": "Vojvodina",
+  "RS-KM": "Kosovo and Metohija"
 }
diff --git a/regions/SRB.json b/regions/SRB.json
index eb8bd6c..01b4c58 100644
--- a/regions/SRB.json
+++ b/regions/SRB.json
@@ -172,6 +172,11 @@
     "low": 19340,
     "high": 19378
   },
+  {
+    "region": "RS-VO",
+    "low": 20000,
+    "high": 21999
+  },
   {
     "region": "RS-06",
     "low": 21000,
@@ -241,5 +246,10 @@
     "region": "RS-19",
     "low": 37000,
     "high": 37299
+  },
+  {
+    "region": "RS-KM",
+    "low": 38000,
+    "high": 38999
   }
-]
\ No newline at end of file
+]
diff --git a/test/tests.js b/test/tests.js
index 02572f2..e5aad75 100644
--- a/test/tests.js
+++ b/test/tests.js
@@ -226,6 +226,16 @@ const countriesPostalCodes = {
     zip: '24430',
     result: 'RS-03',
     usingGoogle: false,
+  }, {
+    name: 'SRB',
+    zip: '21000',
+    result: 'RS-VO',
+    usingGoogle: false,
+  }, {
+    name: 'SRB',
+    zip: '38000',
+    result: 'RS-KM',
+    usingGoogle: false,
   }],
   'United States': [{
     name: 'USA',