cafe-dessert

Cafe Onion Seongsu

Name: Cafe Onion Seongsu
Address: 서울특별시 성동구 아차산로9길 8, Seongsu, Seoul, KR

Seoul · seongsu · Seongsu

A bakery cafe in a preserved 1970s industrial building, known for its weathered architecture, open courtyard and signature pastries.

At a glance

Categorycafe-dessert

AreaSeoul · seongsu · Seongsu

Korean address서울특별시 성동구 아차산로9길 8

Last checked9/1/2026

Source checked by Koursea