If you sign up for a Dynamics 365 trial now in the UK you may have noticed that you receive a URL along the lines of *.crm11.dynamics.com
Microsoft officially announced the launch of their UK datacenters early this morning with the following statement:
"Microsoft’s mission is to empower every person and every individual on the planet to achieve more. To that end, we are pleased to announce the availability of Microsoft Dynamics 365 services from the United Kingdom datacenters to help us meet the growing demand for Microsoft cloud services in the UK and across Europe. The Microsoft Cloud in the UK provides world-class reliability and performance, combined with data residency, to support the digital transformation of businesses and organizations in the UK. The availability of Dynamics 365 services from the UK datacenters will help our customers to increase productivity, while meeting compliance and policy requirements." - Kees Hertrogh
"Microsoft has expanded its cloud offering in the UK with the launch of Dynamics 365, helping customers digitally transform their business securely and efficiently."