Sofia (Bùlgáríà: София, Àdàkọ:IPA-mk) ni oluilu ati ilu titobijulo ni Bulgaria ati ilu titobijulo kejila bi iye awon eniyan ninu Isokan Europe, pelu egbegberun 1.4 eniyan ninu ibe. O budo si apaiwoorun Bulgaria, nibase Oke Vitosha, ibe sini gbongan amojuto, asa okowo ati eko orile-ede na. NDK-front-view.jpg "Sofia Trough Centuries". Sofia Municipality. Retrieved 2009-10-16.  "Таблица на населението по постоянен и настоящ адрес". ГД "Гражданска Регистрация и Административно Обслужване". Retrieved 2008-03-10.  "Population table by permanent and present address" (in Bulgarian). Head Direction of Residential Registration and Administrative Service. Retrieved 2010-01-15. CS1 maint: Unrecognized language (link)