汉城 Traditional form: 漢城 Pinyin (reading): Hànchéng Definitions: Hanseong, former name of Seoul (capital of South Korea), replaced in 2005 with 首爾/首尔 ( Shǒu'ěr) Characters: 汉 - Chinese people; Chinese language 城 - castle, city, town; municipality Traditional characters: 漢 - Chinese people; Chinese language 城 - castle, city, town; municipality