SEOUL, May 3 (Reuters) - South Korea's central bank governor said it was inevitable for the bank to raise its economic growth forecast, currently 2.1% for this year, after the economy grew in the first quarter at the fastest pace in more than two years.

Bank of Korea governor Rhee Chang-yong said in a meeting with reporters in Georgia that authorities recently intervened in the foreign exchange market because volatility was higher than expected and that they would continue to watch closely, according to a media pool report released on Friday.

(Reporting by Jihoon Lee Editing by Ed Davies)