Before you use Firestore, you must choose a location for your database. To reduce latency and increase availability, store your data close to the users and services that need it. This location setting is your project's default Google Cloud Platform (GCP) resource location.
Note that your default GCP resource location might have been previously set, either during project creation or when setting up another service that requires a location setting (see below).
Default GCP resource location
Several services available for your app require a location setting, called your project's default Google Cloud Platform (GCP) resource location. This location is where your data is stored for GCP services that require a location setting.
The following products share the same default GCP resource location:
Google App Engine (GAE) app
If you set up an App Engine app, its location shares your default GCP resource location. Note that if you use Cloud Scheduler (for example, to run scheduled functions), you're required to have an App Engine app in your project.
Types of locations
Note that if you already have an App Engine app with a location of either
europe-west, your Firestore database will be
Select a multi-region location to maximize the availability and durability of your database.
A multi-region location consists of a defined set of regions where multiple replicas of the database are stored. Each replica is either a read-write replica which contains all of the data in the database or a witness replica which does not maintain a full set of data but participates in replication.
By replicating the data between multiple regions, data can continue to be served even with the loss of an entire region. Within a region, data is replicated across zones so that data can continue to be served within that region even with the loss of a zone.Firestore supports the following multi-region locations:
|Multi-Region Name||Multi-Region Description||Read-Write Regions||Witness Region|
A regional location is a specific geographic place, such as South Carolina. Data in a regional location is replicated in multiple zones within a region. All regional locations are separated from other regional locations by at least 100 miles.
Select a regional location for lower costs, for lower write latency if your application is sensitive to latency, or for co-location with other GCP resources.Firestore supports the following regional GCP resource locations:
|Region Name||Region Description|
|Salt Lake City|
This location does not support App Engine. If you plan to use App Engine, you should choose a different location.
Your Firestore location type determines the Service Level Agreement (SLA) uptime percentage:
|Covered Service||Monthly Uptime Percentage|
|Firestore Multi-Region||>= 99.999%|
|Firestore Regional||>= 99.99%|
Your Firestore location determines the cost of database operations.
For a comprehensive explanation of pricing per region and per region type, see Understand Firestore billing.
View your project's location settings
Use one of the following methods to view the location setting for your project:
gcloud app describecommand.
If you have an active App Engine app, open the App Engine Dashboard in the Google Cloud console. The location information is in the upper right-hand corner of the dashboard, and it applies to both App Engine and Firestore.
In the Firebase console, go to your Project settings.
- To create a Firestore database in specific location, visit one of the Firestore quickstarts.
- For more information about building applications to meet your latency, availability, and durability requirements, refer to Geography and Regions.