Seoul visit puts nuclear energy, defense technology and trade at center of Ankara. President Recep Tayyip Erdogan arrived in Seoul on Monday for a state visit aimed at advancing negotiations over Türkiye’s planned second nuclear power plant and expanding economic ties with South Korea. Erdogan, accompanied by his wife, Emine Erdogan, landed at Seoul Seongnam Air Base, where South Korean Trade Minister Park Jung-sung welcomed the Turkish delegation.