MRT (Metropolitan Rapid Transit) is Bangkok rapid transit system, which is known as subway. Currently MRT provides service only one line (Blue line) which has 18 stations between Hua Lamphong and Bang Sue.
Sutthisan MRT station is a station that is located on Ratchadaphisek Road near Sutthisan Intersection.
What to see around Sutthisan MRT Station
For me, there is not much thing to see around the station. There are office buildings and shopping complex in this area.
Hope this information helps. Enjoy traveling Bangkok!