diff --git a/support_files/definitions/europe/slovenia/league_slovenia3a.xml b/support_files/definitions/europe/slovenia/league_slovenia3a.xml
new file mode 100644
index 00000000..b8300438
--- /dev/null
+++ b/support_files/definitions/europe/slovenia/league_slovenia3a.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<league>
+  <sid>slovenia3a</sid>
+  <name>Tretja liga - vzhod</name>
+  <short_name>3. SNL I</short_name>
+  <symbol>flag_slovenia.png</symbol>
+  <first_week>4</first_week>
+  <week_gap>1</week_gap>
+  <break_in length="11">23</break_in>
+  <average_talent>5800</average_talent>
+  <names_file>serbia</names_file>
+  <yellow_red>5</yellow_red>
+  <layer>3</layer>
+
+  <prom_rel>
+    <prom_rel_element>
+      <rank_start>1</rank_start>
+      <rank_end>1</rank_end>
+      <dest_sid>slovenia2</dest_sid>
+      <prom_rel_type>promotion</prom_rel_type>
+    </prom_rel_element>
+  </prom_rel>
+
+  <teams>
+    <team>
+      <team_name>C. Martjanci</team_name>
+    </team>
+    <team>
+      <team_name>Crensovci</team_name>
+    </team>
+    <team>
+      <team_name>Dravinja</team_name>
+    </team>
+    <team>
+      <team_name>K. Dravograd</team_name>
+    </team>
+    <team>
+      <team_name>Malecnik</team_name>
+    </team>
+    <team>
+      <team_name>M. C. Rogatec</team_name>
+    </team>
+    <team>
+      <team_name>Odranci</team_name>
+    </team>
+    <team>
+      <team_name>S. Vrh</team_name>
+    </team>
+    <team>
+      <team_name>S. pri Jelsah</team_name>
+    </team>
+    <team>
+      <team_name>Š. ob Paki</team_name>
+    </team>
+    <team>
+      <team_name>Store</team_name>
+    </team>
+    <team>
+      <team_name>Stojnci</team_name>
+    </team>
+    <team>
+      <team_name>S. Celje</team_name>
+    </team>
+    <team>
+      <team_name>S. Verzej</team_name>
+    </team>
+  </teams>
+</league>