diff --git a/moto/rds2/models.py b/moto/rds2/models.py
index bc52bdcbf..eb4159025 100644
--- a/moto/rds2/models.py
+++ b/moto/rds2/models.py
@@ -9,7 +9,8 @@ from boto3 import Session
 from jinja2 import Template
 from re import compile as re_compile
 from moto.compat import OrderedDict
-from moto.core import BaseBackend, BaseModel, CloudFormationModel
+from moto.core import BaseBackend, BaseModel, CloudFormationModel, ACCOUNT_ID
+
 from moto.core.utils import iso_8601_datetime_with_milliseconds
 from moto.ec2.models import ec2_backends
 from .exceptions import (
@@ -157,6 +158,7 @@ class Database(CloudFormationModel):
                     family=db_family,
                     description=description,
                     tags={},
+                    region=self.region,
                 )
             ]
         else:
@@ -1172,7 +1174,7 @@ class RDS2Backend(BaseBackend):
                 "InvalidParameterValue",
                 "The parameter DBParameterGroupName must be provided and must not be blank.",
             )
-
+        db_parameter_group_kwargs["region"] = self.region
         db_parameter_group = DBParameterGroup(**db_parameter_group_kwargs)
         self.db_parameter_groups[db_parameter_group_id] = db_parameter_group
         return db_parameter_group
@@ -1471,13 +1473,18 @@ class OptionGroupOptionSetting(object):
         return template.render(option_group_option_setting=self)
 
 
+def make_rds_arn(region, name):
+    return "arn:aws:rds:{0}:{1}:pg:{2}".format(region, ACCOUNT_ID, name)
+
+
 class DBParameterGroup(CloudFormationModel):
-    def __init__(self, name, description, family, tags):
+    def __init__(self, name, description, family, tags, region):
         self.name = name
         self.description = description
         self.family = family
         self.tags = tags
         self.parameters = defaultdict(dict)
+        self.arn = make_rds_arn(region, name)
 
     def to_xml(self):
         template = Template(
@@ -1485,6 +1492,7 @@ class DBParameterGroup(CloudFormationModel):
           <DBParameterGroupName>{{ param_group.name }}</DBParameterGroupName>
           <DBParameterGroupFamily>{{ param_group.family }}</DBParameterGroupFamily>
           <Description>{{ param_group.description }}</Description>
+          <DBParameterGroupArn>{{ param_group.arn }}</DBParameterGroupArn>
         </DBParameterGroup>"""
         )
         return template.render(param_group=self)
diff --git a/tests/test_rds2/test_rds2.py b/tests/test_rds2/test_rds2.py
index fd2ffb9d0..96ec378db 100644
--- a/tests/test_rds2/test_rds2.py
+++ b/tests/test_rds2/test_rds2.py
@@ -4,6 +4,7 @@ from botocore.exceptions import ClientError, ParamValidationError
 import boto3
 import sure  # noqa
 from moto import mock_ec2, mock_kms, mock_rds2
+from moto.core import ACCOUNT_ID
 
 
 @mock_rds2
@@ -1504,7 +1505,9 @@ def test_create_database_with_encrypted_storage():
 
 @mock_rds2
 def test_create_db_parameter_group():
-    conn = boto3.client("rds", region_name="us-west-2")
+    region = "us-west-2"
+    pg_name = "test"
+    conn = boto3.client("rds", region_name=region)
     db_parameter_group = conn.create_db_parameter_group(
         DBParameterGroupName="test",
         DBParameterGroupFamily="mysql5.6",
@@ -1518,6 +1521,9 @@ def test_create_db_parameter_group():
     db_parameter_group["DBParameterGroup"]["Description"].should.equal(
         "test parameter group"
     )
+    db_parameter_group["DBParameterGroup"]["DBParameterGroupArn"].should.equal(
+        "arn:aws:rds:{0}:{1}:pg:{2}".format(region, ACCOUNT_ID, pg_name)
+    )
 
 
 @mock_rds2
@@ -1629,9 +1635,11 @@ def test_create_db_parameter_group_duplicate():
 
 @mock_rds2
 def test_describe_db_parameter_group():
-    conn = boto3.client("rds", region_name="us-west-2")
+    region = "us-west-2"
+    pg_name = "test"
+    conn = boto3.client("rds", region_name=region)
     conn.create_db_parameter_group(
-        DBParameterGroupName="test",
+        DBParameterGroupName=pg_name,
         DBParameterGroupFamily="mysql5.6",
         Description="test parameter group",
     )
@@ -1639,6 +1647,9 @@ def test_describe_db_parameter_group():
     db_parameter_groups["DBParameterGroups"][0]["DBParameterGroupName"].should.equal(
         "test"
     )
+    db_parameter_groups["DBParameterGroups"][0]["DBParameterGroupArn"].should.equal(
+        "arn:aws:rds:{0}:{1}:pg:{2}".format(region, ACCOUNT_ID, pg_name)
+    )
 
 
 @mock_rds2