If you need help during your trip to Hongdae, visit the Mapo Tourist Information Center.
You can receive various services including Mapo tour guide and Seoul tour guide. 

service provided
Provide tourist rest area and convenience service (information search stand, rapid charging of mobile phone, Wifi zone, etc.)
Eliminate tourist inconvenience complaints from tourism coordinators and provide customized tourist information for tourists
Distribution of tourist brochure and leaflets
Performance, accommodation, transportation, location of restaurants, and on-site reservation services

                           

Adress:  145-3 Eoul Madang-ro, Mapo-gu, Seoul