Eastern Bus Terminal
Bus Station in Thanon Sukhumvit
When you want to travel to eastern part of Thailand to the popular tourist sites like Pattaya, Koh Chang or Koh Samet, come to this Eastern bus terminal or Ekamai bus terminal.
You can also get the buses to those tourist spots in the east from Morchit bus teminal but as Ekamai is located just next to the BTS station, getting the bus here may be more comfortable.
As mentioned above that you can take BTS to Ekamai station, then use the exit no.2 and walk for this Ekamai bus terminal.
When you walk in, you'll first found ticket window from the Transport company, the government bus.