Old hand, looking for help in Asia

Morning (Or Evening, depending on where you are)! I am going to be headed to Seoul for work and this will be my first time to this part of the world. I have been around the block a few times, had some fun stateside, and in South America. I am looking for any insight, or local sources that can be used. I have tried several of my go to methods for finding legit agencies or independents but have not had much luck. Anyone willing to share some local sources, any local boards, or review sites for this part of the world? Feel free to PM if you would like.