Police who probed George Christensen's trips to south-east Asia briefed former prime minister Malcolm Turnbull on the status of the investigation on six occasions.

Mr Christensen, who has earned the nickname "The Member for Manila", spent 294 days in the Philippines between 2014 and 2018.

George Christensen's overseas travel was investigated and Michael McCormack was briefed on the probe when he assumed leadership of the National Party. Credit:Dominic Lorrimer

His trips, reportedly 28 to the Philippines in total, were flagged by authorities. 9NEWS, The Herald and The Age have been told by senior sources who are privy to the investigation that Mr Christensen had also travelled to Thailand.

The Australian Federal Police probe did not find any evidence laws had been broken.