diff --git a/tests/system/providers/google/cloud/dataplex/example_dataplex.py b/tests/system/providers/google/cloud/dataplex/example_dataplex.py
index bac7e56ed5b1d..a0ac55e07fc95 100644
--- a/tests/system/providers/google/cloud/dataplex/example_dataplex.py
+++ b/tests/system/providers/google/cloud/dataplex/example_dataplex.py
@@ -53,7 +53,7 @@
 RESOURCE_DATA_BUCKET = "airflow-system-tests-resources"
 
 LAKE_ID = f"lake-{DAG_ID}-{ENV_ID}".replace("_", "-")
-REGION = "us-central1"
+REGION = "us-west1"
 
 SERVICE_ACC = f"{PROJECT_ID}@appspot.gserviceaccount.com"
 
diff --git a/tests/system/providers/google/cloud/dataplex/example_dataplex_dp.py b/tests/system/providers/google/cloud/dataplex/example_dataplex_dp.py
index 168144a855a3c..bfb187371bc18 100644
--- a/tests/system/providers/google/cloud/dataplex/example_dataplex_dp.py
+++ b/tests/system/providers/google/cloud/dataplex/example_dataplex_dp.py
@@ -50,11 +50,12 @@
 )
 from airflow.providers.google.cloud.sensors.dataplex import DataplexDataProfileJobStatusSensor
 from airflow.utils.trigger_rule import TriggerRule
+from tests.system.providers.google import DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
 
 ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
-PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT", "default")
+PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT") or DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
 
-DAG_ID = "example_dataplex_data_profile"
+DAG_ID = "dataplex_data_profile"
 
 LAKE_ID = f"lake-{DAG_ID}-{ENV_ID}".replace("_", "-")
 REGION = "us-central1"
diff --git a/tests/system/providers/google/cloud/dataplex/example_dataplex_dq.py b/tests/system/providers/google/cloud/dataplex/example_dataplex_dq.py
index c02756efed30e..668647d9acb31 100644
--- a/tests/system/providers/google/cloud/dataplex/example_dataplex_dq.py
+++ b/tests/system/providers/google/cloud/dataplex/example_dataplex_dq.py
@@ -50,14 +50,15 @@
 )
 from airflow.providers.google.cloud.sensors.dataplex import DataplexDataQualityJobStatusSensor
 from airflow.utils.trigger_rule import TriggerRule
+from tests.system.providers.google import DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
 
 ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
-PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT", "default")
+PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT") or DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
 
-DAG_ID = "example_dataplex_data_quality"
+DAG_ID = "dataplex_data_quality"
 
 LAKE_ID = f"lake-{DAG_ID}-{ENV_ID}".replace("_", "-")
-REGION = "us-central1"
+REGION = "us-west1"
 
 DATASET = f"dataset_bq_{DAG_ID}_{ENV_ID}"