It is great that you are assuming to attend SoCS 2023. There are three important steps to do:
You need to register to attend the conference, see the Registration page.
Then you need to book your accommodation, you can do it at the Accommodation page.
Finally, plan how to get there, the Travel page provides some instructions.
And now, you can enjoy the Conference program in a beautiful setting of Aquapalace Hotel Prague.
Last but not least, please respect all the Important dates for above steps.