BTS is Bangkok elevated rapid transit system, which is known as Skytrain. With BTS, you can go to the major areas in Bangkok without facing traffic jams. Currently BTS has 2 main lines: Sukhumvit line and Silom line.
Saphan Taksin is a BTS station on Silom line that is located near Taksin Bridge and Chao Phraya River.
Here is the map for the area around Saphan Taksin BTS Station. I have got this map from BTS official website. The area map for the other BTS stations can be found here. To enlarge, click at the map.
What to see around BTS Saphan Taksin Station
Let’s look at the map.
Saphan Taksin station is the only BTS skytrain station that connects with Chao Phraya Express Boat service, which gives you an easy access to many tourist attractions such as The Grand Palace, Wat Phra Kaew, Wat Pho, Wat Arun, Pak Klong Talad (flower market), Asiatique The Riverfront, and so on.
Robinson Bang Rak is a shopping mall in this area offering restaurants, and supermarkets.
From the station, it is possible to walk to Bangkokian Museum, a museum with well-maintained wooden houses, but taking taxi is recommended.
Hope this information helps. Enjoy traveling Bangkok!