It is in the fourth tier of the Thai football league system.
Promoted to the 2017 Thai League 2 Two club was promoted to the 2017 Thai League 3 Upper Region.
Promoted from the 2016 Thai Division 3 Tournament Eastern Region In the third leg, the winner on head-to-head result of the first and the second leg will be home team.
If all of head-to-head still tie, must to find the home team from penalty kickoff on the end of each second leg match (This penalty kickoff don't bring to calculate points on league table, it's only the process to find the home team on third leg).
Updated to games played on 10 September 2017Source: Thai League 4