On 28th October 2017 one of the next ABAP Code Retreats will be placed in Tychy, Poland. This free event can bring your programming level to the next level and it may help you to get in touch with other ABAP developers, with whom you can exchange your experience.
If you don’t know yet anything about ABAP Code Retreat then you should read this wiki page here.
This first ABAP Code Retreat in Poland will be hosted by Hager Group
I really encourage you to register for this event, you can find registration form here.