SEOUL - US Assistant Secretary of State for East Asian and Pacific Affairs Kurt Campbell is set to pay a two-day visit to South Korea starting Saturday, the foreign ministry in Seoul said Tuesday.

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Kurt Campbell's visit will come at the end of his Asia trip that will also bring him to Japan and Mongolia, and is expected to center on issues related to bilateral ties and nuclear issues of the Democratic People's Republic of Korea.

Campbell will meet with senior officials here including deputy Foreign Minister Kim Jae-shin and Seoul's chief negotiator to the six-party talks, Wi Sung-lac, according to the foreign ministry.

Wallace Gregson, US assistant secretary of defense for Asian and Pacific security affairs, is also scheduled to visit Seoul on Saturday for a four-day trip.