The City of Seoul began its sister city program in 1968 with Taipei, Taiwan. Since then, the city has signed sisterhood agreements with 23 cities around the world and in addition signed MOUs with 18 cities for international cooperation. The main purpose of the sister city program is to strengthen relations between Seoul and other international cities in an effort to establish global cooperation and promote cultural understanding. Listed below are Seoul's sister cities and MOU cities, their general information, and links to their official website. For more details on Seoul City's sister city program, please contact the International Cooperation Division, Seoul Metropolitan Government.