public void setRegion(String region) {
        this.region = region;
    }
<p>
The Region from which the finding was generated.
</p>
<p>
Security Hub populates this attribute automatically for each finding. You cannot update it using
<code>BatchImportFindings</code> or <code>BatchUpdateFindings</code>.
</p>
<p>
Length Constraints: Minimum length of 1. Maximum length of 16.
</p>

@param region
       The Region from which the finding was generated.</p>
       <p>
       Security Hub populates this attribute automatically for each finding. You cannot update it using
       <code>BatchImportFindings</code> or <code>BatchUpdateFindings</code>.
       </p>
       <p>
       Length Constraints: Minimum length of 1. Maximum length of 16.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsSecurityFinding.java