Prime Minister Kim Hwang-sik will visit Bulgaria and Ukraine later this month for talks on expanding business cooperation, his office said Sunday. According to the Prime Minister\'s Office, Kim is set to visit the Bulgarian capital of Sofia from Sept. 26 to 28, and then Kiev, capital of Ukraine, from Sept. 28 to 30. He will meet the two countries\' prime ministers and pay courtesy calls to their presidents, and also sit down with local business figures.