diff --git a/doc/source/command-objects/network.rst b/doc/source/command-objects/network.rst
index e6a028b778..6b63c35da8 100644
--- a/doc/source/command-objects/network.rst
+++ b/doc/source/command-objects/network.rst
@@ -13,20 +13,20 @@ Create new network
 .. code:: bash
 
     os network create
-        [--domain <domain>]
+        [--project <project> [--project-domain <project-domain>]]
         [--enable | --disable]
-        [--project <project>]
         [--share | --no-share]
         <name>
 
-.. option:: --domain <domain>
-
-    Owner's domain (name or ID)
-
 .. option:: --project <project>
 
     Owner's project (name or ID)
 
+.. option:: --project-domain <project-domain>
+
+    Domain the project belongs to (name or ID).
+    This can be used in case collisions between project names exist.
+
 .. option:: --enable
 
     Enable network (default)
diff --git a/openstackclient/network/v2/network.py b/openstackclient/network/v2/network.py
index 9b2466422a..1fa05462f0 100644
--- a/openstackclient/network/v2/network.py
+++ b/openstackclient/network/v2/network.py
@@ -87,10 +87,7 @@ class CreateNetwork(show.ShowOne):
             '--project',
             metavar='<project>',
             help="Owner's project (name or ID)")
-        parser.add_argument(
-            '--domain',
-            metavar='<domain>',
-            help="Owner's domain (name or ID)")
+        identity_common.add_project_domain_option_to_parser(parser)
         return parser
 
     def take_action(self, parsed_args):
@@ -112,15 +109,11 @@ class CreateNetwork(show.ShowOne):
             body['shared'] = parsed_args.shared
         if parsed_args.project is not None:
             identity_client = self.app.client_manager.identity
-            if parsed_args.domain is not None:
-                domain = identity_common.find_domain(identity_client,
-                                                     parsed_args.domain)
-                project_id = utils.find_resource(identity_client.projects,
-                                                 parsed_args.project,
-                                                 domain_id=domain.id).id
-            else:
-                project_id = utils.find_resource(identity_client.projects,
-                                                 parsed_args.project).id
+            project_id = identity_common.find_project(
+                identity_client,
+                parsed_args.project,
+                parsed_args.project_domain,
+            ).id
             body['tenant_id'] = project_id
         return {'network': body}
 
diff --git a/openstackclient/tests/network/v2/test_network.py b/openstackclient/tests/network/v2/test_network.py
index 90085f287a..36133a3bb8 100644
--- a/openstackclient/tests/network/v2/test_network.py
+++ b/openstackclient/tests/network/v2/test_network.py
@@ -90,14 +90,14 @@ class TestCreateNetwork(common.TestNetworkBase):
             "--disable",
             "--share",
             "--project", identity_fakes_v3.project_name,
-            "--domain", identity_fakes_v3.domain_name,
+            "--project-domain", identity_fakes_v3.domain_name,
             FAKE_NAME,
         ] + self.given_show_options
         verifylist = [
             ('admin_state', False),
             ('shared', True),
             ('project', identity_fakes_v3.project_name),
-            ('domain', identity_fakes_v3.domain_name),
+            ('project_domain', identity_fakes_v3.domain_name),
             ('name', FAKE_NAME),
         ] + self.then_show_options
         mocker = mock.Mock(return_value=copy.deepcopy(RESPONSE))
@@ -165,7 +165,6 @@ class TestCreateNetwork(common.TestNetworkBase):
         arglist = [
             "--project", identity_fakes_v2.project_name,
             FAKE_NAME,
-
         ]
         verifylist = [
             ('admin_state', True),
@@ -203,14 +202,14 @@ class TestCreateNetwork(common.TestNetworkBase):
     def test_create_with_domain_identityv2(self):
         arglist = [
             "--project", identity_fakes_v3.project_name,
-            "--domain", identity_fakes_v3.domain_name,
+            "--project-domain", identity_fakes_v3.domain_name,
             FAKE_NAME,
         ]
         verifylist = [
             ('admin_state', True),
             ('shared', None),
             ('project', identity_fakes_v3.project_name),
-            ('domain', identity_fakes_v3.domain_name),
+            ('project_domain', identity_fakes_v3.domain_name),
             ('name', FAKE_NAME),
         ]
         mocker = mock.Mock(return_value=copy.deepcopy(RESPONSE))