Stay organized with collections
Save and categorize content based on your preferences.
When you attach a Cloud Storage bucket as a Dataplex Universal Catalog
asset, Dataplex Universal Catalog creates a
publishing dataset in the
corresponding region to publish tables discovered in the bucket.
This page describes how Dataplex Universal Catalog maps single, dual, and
multiple regions in Cloud Storage to BigQuery publishing
datasets.
Mapping of Cloud Storage regions to BigQuery datasets
Dataplex Universal Catalog lakes, zones, and assets are regional resources, and can
reside in one or more regions. BigQuery datasets and
Cloud Storage buckets are also regional resources that can reside in
one or more regions.
The following are the differences between the regional resources available in
Cloud Storage and in BigQuery:
Both Cloud Storage and BigQuery support single-region
resources.
Cloud Storage has dual-regions,
whereas BigQuery doesn't.
You can attach Cloud Storage buckets and BigQuery
datasets to Dataplex Universal Catalog zones or lakes as
Dataplex Universal Catalog assets. Dataplex Universal Catalog automates the creation
of publishing datasets for Cloud Storage buckets attached as assets.
Dataplex Universal Catalog ensures that the BigQuery and
Cloud Storage regions match. If there is no overlap between your
Dataplex Universal Catalog lake's region and one of the Cloud Storage
bucket's regions, you can't add the bucket to your lake's zone.
In the case of a single-region Cloud Storage bucket,
Dataplex Universal Catalog creates a single-region publishing dataset in the
same region as the bucket.
In the case of the Cloud Storage bucket located in either the
Cloud Storage us multi-region or the Cloud Storage eu
multi-region, Dataplex Universal Catalog creates a publishing dataset in the
corresponding BigQuery us or eu multi-region.
In the case of dual-region Cloud Storage buckets,
Dataplex Universal Catalog creates a publishing dataset in the region
corresponding to the region of the lake. When you attach the
Cloud Storage bucket as an asset to the lake, Dataplex Universal Catalog
validates that one of the data locations of the Cloud Storage bucket
matches the region of the Dataplex Universal Catalog lake.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-29 UTC."],[[["\u003cp\u003eDataplex automatically creates a publishing dataset in BigQuery when a Cloud Storage bucket is attached as an asset.\u003c/p\u003e\n"],["\u003cp\u003eDataplex maps Cloud Storage bucket regions to corresponding BigQuery publishing datasets, ensuring regional alignment between the two services.\u003c/p\u003e\n"],["\u003cp\u003eFor single-region Cloud Storage buckets, Dataplex creates a single-region BigQuery dataset in the same region.\u003c/p\u003e\n"],["\u003cp\u003eFor multi-region Cloud Storage buckets in \u003ccode\u003eus\u003c/code\u003e or \u003ccode\u003eeu\u003c/code\u003e, Dataplex generates a corresponding \u003ccode\u003eus\u003c/code\u003e or \u003ccode\u003eeu\u003c/code\u003e multi-region BigQuery dataset.\u003c/p\u003e\n"],["\u003cp\u003eFor dual-region Cloud Storage buckets, Dataplex creates a BigQuery publishing dataset in the same region as the Dataplex lake, provided one of the Cloud Storage bucket regions matches the lake's region.\u003c/p\u003e\n"]]],[],null,["# Regional resources\n\nWhen you attach a Cloud Storage bucket as a Dataplex Universal Catalog\nasset, Dataplex Universal Catalog creates a\n[publishing dataset](/dataplex/docs/discover-data#publishing_metadata) in the\ncorresponding region to publish tables discovered in the bucket.\n\nThis page describes how Dataplex Universal Catalog maps single, dual, and\nmultiple regions in Cloud Storage to BigQuery publishing\ndatasets.\n\nMapping of Cloud Storage regions to BigQuery datasets\n-----------------------------------------------------\n\nDataplex Universal Catalog lakes, zones, and assets are regional resources, and can\nreside in one or more regions. BigQuery datasets and\nCloud Storage buckets are also regional resources that can reside in\none or more regions.\n\nThe following are the differences between the regional resources available in\nCloud Storage and in BigQuery:\n\n- Both Cloud Storage and BigQuery support single-region\n resources.\n\n- Cloud Storage has [dual-regions](/storage/docs/locations#location-dr),\n whereas BigQuery doesn't.\n\n- Both [Cloud Storage](/storage/docs/locations#location-mr)\n and [BigQuery](/bigquery/docs/locations#multi-regions)\n have multi-regions, but they are different.\n\nYou can attach Cloud Storage buckets and BigQuery\ndatasets to Dataplex Universal Catalog zones or lakes as\nDataplex Universal Catalog assets. Dataplex Universal Catalog automates the creation\nof publishing datasets for Cloud Storage buckets attached as assets.\n\nDataplex Universal Catalog ensures that the BigQuery and\nCloud Storage regions match. If there is no overlap between your\nDataplex Universal Catalog lake's region and one of the Cloud Storage\nbucket's regions, you can't add the bucket to your lake's zone.\n\n- In the case of a single-region Cloud Storage bucket,\n Dataplex Universal Catalog creates a single-region publishing dataset in the\n same region as the bucket.\n\n- In the case of the Cloud Storage bucket located in either the\n Cloud Storage `us` multi-region or the Cloud Storage `eu`\n multi-region, Dataplex Universal Catalog creates a publishing dataset in the\n corresponding BigQuery `us` or `eu` multi-region.\n\n- In the case of dual-region Cloud Storage buckets,\n Dataplex Universal Catalog creates a publishing dataset in the region\n corresponding to the region of the lake. When you attach the\n Cloud Storage bucket as an asset to the lake, Dataplex Universal Catalog\n validates that one of the data locations of the Cloud Storage bucket\n matches the region of the Dataplex Universal Catalog lake.\n\n| **Note:** Single regional buckets in Asia are supported, whereas multi-region buckets aren't.\n\nWhat's next?\n------------\n\n- Learn more about [managing data assets in a lake](/dataplex/docs/manage-assets).\n- Learn more about [managing zones](/dataplex/docs/manage-zone)."]]
