/ Thesaurus / B Synonyms of bulgarian capital Find synonyms for: Noun1. Sofia, Serdica, Bulgarian capitalusage: capital and largest city of Bulgaria located in western BulgariaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language