We are using the Conference Management Toolkit (CMT) developed by Microsoft Research, which can be accessed using the following link:
https://cmt3.research.microsoft.com/PGR2019
Authors need to create an account at the website and, once logged in, you may use the "Create new submission" button to select your track and then follow the instructions in order to fill in the submission form.
3 Leontos Sofou Street, 54626, Thessaloniki, Greece
You can download a PDF with hotels close to the venue here: HOTELS