This means we hot-desk. We do not get an assigned desk. We are likely to sit somewhere different every day you go to the office. We each get a personal locker to store items so we don't have to carry everything to/from the office each day. The desk each have at least one monitor, most have two, they are easily adjusted by height/left right and viewing angle. Each desk also has a keyboard and mouse and a USB docking station. Each desk is cleaned nightly. There are disinfecting wipes available if you feel the need to wipe down the keyboard or mouse when you arrive. Some of the desks are height adjustable. There are a few standing desks for floor as well.
Generally we are organised into semi-autonomous squads of 8-12 people though sometimes larger squads are formed. Each squad has a nominated set of desks they can claim for collaborative work. Anyone can come and sit in a squad's area if there is a free desk available. This allows for easy inter-team collaboration when required. Someone from another team can come and sit with us to work through how we will interface/integrate between our respective services.
We also have meeting rooms and other spaces available we can go work in when we need somewhere to deeply focus or have longer discussion that might impact others.
This works quite well. No one is very possessive of any particular desk or location. If you get in late sometimes you may not be able to sit with your team. Though you have the right to ask someone to move out of your teams designated area if you really do need to collaborate with your team mates.
One exception is for people that have strict ergonomic requirements. They will be assigned a dedicated desk and chair set up for their needs that don't get changed.
I don't ever feel possessive of a desk I might be using. I don't feel the need to leave things on my desk for the next day. There is a slight time cost to going to/from your locker and adjusting the monitors and chair each day to your liking - but that time is on the clock.
The biggest challenge with this arrangement is when we do increment planning. Every squad is trying to do increment planning at the same time so finding a meeting room or space becomes very challenging. Due to Covid, we have done a lot of remote working over the past couple of years and have become more adept at running meetings over Teams. So finding a physical meeting room has become less of an issue.