2017 Thai League 4 Bangkok Metropolitan Region is the 9th season of the League competition since its establishment in 2009. It is in the 4th tier of the Thai football league system.
Promoted to the 2017 Thai League 2
Three club was promoted to the 2017 Thai League 3 Southern Region.
Promoted from 2016 Thai Division 3 Tournament Central Region
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In the third leg, the winner on head-to-head result of the first and the second leg will be home team. If head-to-head result are tie, must to find the home team from head-to-head goals different. 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).