Main establishment means one of the following:

• for a controller with establishments in more than one Member State, the place of its central administration in the EU, unless the decisions on the purposes and means of the processing of personal data are taken in another establishment of the controller in the EUand the latter establishment has the power to have such decisions implemented, in which case the establishment having taken such decisions is considered the main establishment;
• for a processor with establishments in more than one Member State, the place of its central administration in the EU; or, if the processor has no central administration in the EU, the establishment of the processor in the EUwhere the main processing activities (in the context of the activities of an establishment) of the processor take place, to the extent that the processor is subject to specific obligations under the GDPR.