索菲亞 - 國際展覽中心(IEC)，索菲亞，保加利亞
地址：3-ти Март, 2357, Расник, Перник
https://www.pittsburghcc.com/about-us/contact-us/ https://en.iec.bg/
Click here to check upcoming events 2026-2027 at Sofia - Inter Expo Center (IEC), Sofia, Bulgaria
Inter Expo Center (IEC). Coordinates set from verified same-city venue data (city centroid, OpenStreetMap-derived).