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Ui-dong (Korean: 우이동) is a dong (neighbourhood) of Gangbuk District, Seoul, South Korea. From June 30 of 2008, Former Suyu-4 dong is changed to the administrative dong. Thus Ui-dong can be called either legal dong or administrative dong.
Etymology
Uido-dong is named after the geographical features of the area, where the tributary of the Han River, called Soguinai, flows through a valley, resembling the shape of a cow's ear. This area is also known for the peaks of Baegundae and Insubong in Bukhansan, which resemble the ears of a cow.
