United Nations Secretary General Kofi Annan and several other world leaders will visit Sri Lanka this week in the aftermath of the tsunami, official Daily News said on Tuesday.

The UN secretary general will arrive in Colombo this weekend after attending the special ASEAN leaders' meeting on the aftermath of earthquake and tsunami, which is to be held in Indonesia on Thursday.

He is expected to visit some of the hardest-hit areas in the country during his trip.

UN Secretary General's Special Envoy on Relief Operations Margareta Wahlstrom has ended a two-day visit to Sri Lanka to explore ways and means of how the United Nations could be of further assistance. She met President Chandrika Bandaranaike Kumaratunga on Sunday.