The Graphene Flagship project is a European initiative on the exploration of Graphene and related 2D-materials. It started in 2013 and consist of 156 partners with a total budget of 1B Euro, over 10 years. A part of the project is directed towards new high frequency electronic devices and circuits for applications from low GHz to THz. In this workshop different partners in the flagship will present recent results on devices and circuits for various applications such as flexible electronics, communication.