Image by USAGI_POST (Pixabay.com) Seoul is traversed by the Hangang river which flows from east to west. The whole area north of the river is called Gangbuk, and the south of the river is called Gangnam.

Image by cmmellow (Pixabay.com) Seoul is Korea’s the only Special City. The Hangang river runs through the city from east to west, roughly dividing the land into parts: gangbuk (north of the river) and