Gil-dong is home to many highly-rated hotels, one of which is Harmony Hotel, which has a current rating of 8.5. For other potential stays, consider Actor Motel and Twobein Hotel, which can also be great places to stay in Gil-dong.
Ryse, Autograph Collection is a good hotel close to Hongdae Area - it has scored 9.2 over 1,339 reviews from HotelsCombined users.
The Plaza Seoul Autograph Collection is the most recommended hotel near Seoul Station on HotelsCombined (scoring 8.8 over 500 reviews).
412 HotelsCombined reviews of Aloft Seoul Gangnam score it 8.1/10, making it a highly recommended hotel near COEX Convention and Exhibition Center.