Seoul.kr domains rank just as well on Google.co.kr and Korean search engines as co.kr-Domains or kr-Domains.
For Seoul-specific queries, the ranking of your website with a .seoul.kr -Domain can even be higher than that with a co.kr-Domain or kr-Domain.
Don't forget: Seoul is the economic center of Korea. Listen to Wikipedia:
"Seoul (/soʊl/, like soul; Korean: 서울 ( lit. 'Capital'), officially the Seoul Special City, is the capital and largest metropolis of South Korea. Seoul has a population of 9.7 million people, and forms the heart of the Seoul Capital Area with the surrounding Incheon metropolis and Gyeonggi province."
Wikipedia continues:
"Considered to be a global city and rated as an Alpha–City by Globalization and World Cities Research Network (GaWC), Seoul was the world's 4th largest metropolitan economy in 2014 after Tokyo, New York City and Los Angeles."
Hans-Peter Oswald
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