President Maithripala Sirisena is scheduled to meet UK Prime Minister Theresa May later today, the government said.
During the meeting, the two sides are to discuss issues that are mutually important to both countries.
President Maithripala Sirisena arrived in the UK on Monday to attend the CHOGM-2018.
The President is also scheduled to take part in a special ceremony hosted by the Acting High commissioner of Sri Lanka in Britain.
He will deliver the keynote address at the Commonwealth Business Forum tomorrow.