diff --git a/src/main/resources/Group.hbm.xml b/src/main/resources/Group.hbm.xml
new file mode 100644
index 0000000..8e0333c
--- /dev/null
+++ b/src/main/resources/Group.hbm.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+
+<!--
+  ~ Hibernate, Relational Persistence for Idiomatic Java
+  ~
+  ~ License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+  ~ See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+  -->
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping package="com.example.cosmos_serversb.entities">
+
+    <class name="Group" table="GROUPS">
+        <id name="gId" column="GID">
+            <generator class="increment"/>
+        </id>
+        <property name="uri" column="URI"/>
+        <property name="name" column="NAME"/>
+    </class>
+
+</hibernate-mapping>