Google Cloud Secret Manager is a managed service for storing and managing sensitive data such as API keys, passwords, usernames and certificates. A secret is a resource holding metadata, and each version holds the actual content. The service offers automatic replication, user-managed replication across regions you choose, and regional secrets for data-residency requirements. Everything is encrypted with TLS in transit and AES-256 at rest, and you can use your own customer-managed keys (CMEK) from Cloud KMS. It is delivered through the Google Cloud console, command line and APIs.
Secret Manager is part of Google Cloud, a service of Google LLC in Mountain View, California, in the United States. Google Cloud publishes regions in Europe, including Stockholm. The Cloud Data Processing Addendum describes Google as a processor and refers to the GDPR. A European region can therefore be selected, but the provider remains American and subject to US law such as the CLOUD Act. The CMEK keys are likewise held in Cloud KMS, a service of the same provider. There is no self-hosted option.