There will also be a meeting of the Asia Pacific Democrat Union (APDU) held back to back With the IDU Meetings.
The meetings will be hosted by IDU's Member in Sri Lanka, the United National Party, led by Prime Minister Ranil Wickremesinghe.
All IDU member parties are invited to attend, along with the IDU officers.
The International Democrat Union (IDU) is a working association of over 80 Conservative, Christian Democrat and like-minded political parties of the center and center right.