Amazon Inspector is now available to customers in the Europe (London) region. With the addition of this region, Inspector is available in US East (N. Virginia), US East (Ohio), US West (N. California), US West (Oregon), EU (Frankfurt), EU (Ireland), EU (London), Asia Pacific (Mumbai), Asia Pacific (Seoul), Asia Pacific (Sydney), and Asia Pacific (Tokyo), AWS GovCloud (US-West), and AWS GovCloud (US-East).

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/06/amazon-inspector-is-now-available-in-the-europe-london-region/