Map of Seoul

Map of Seoul

Apgujeong Area : Gigantic villas, traditional housing complexes, etc. Where the really rich people live.
Gangnam Area : Expensive restaurants, cafés, skybars with an amazing view over the river, etc. Where the rich kids come to play.
Hongdae Area : Cheap eateries, dance clubs, trendy little shops, street buskers, etc. Where the cool kids come to hang out.
Itaewon Area : Restaurants serving foreign food, themed clubs, brothels, gay bars, etc. Where the foreigners chill.
Yeouido Area : Park running along the river, fitness studios, expensive apartment complexes, company HQs, house of congress, etc. Where the business people  and upper working class come.