The mark is for an apparel brand "MR. SEOUL". That is why the mark, a shape of a cap is on the top of the circle which contains "SEOUL" in Korean letters inside.
The image of circle in black, designed shape above the circle in red and blue, the word "Seoul" in Korean letters inside the image of circle in black, and the word "MR. SEOUL" below the image of circle in black.
The color(s) blue, red, black, white is/are claimed as a feature of the mark.
The transliteration of the non-Latin characters in the mark is: SEOUL.