Yes, you can serve alcohol in outdoor spaces in Seoul, but there are some rules to remember. For private outdoor venues or event spaces, serving alcohol is usually allowed, but you'll need to check with the venue for any specific regulations. For public spaces like parks, serving alcohol is generally permitted, but you'll need to follow local guidelines, such as keeping the event respectful and ensuring no disturbance to others.  Depending on the event size and location, you may also need a permit to serve alcohol. It’s always best to confirm with local authorities or your event planner to avoid any issues!