EntityQ2983221· pop 15· linked from 14 articlesProvadiya RiverSign in to saveriver in northeastern BulgariaConnectionsIUCN Red ListEntityLudogorieEntityBulgariaCountryBlack SeaEntitySofiaEntityBulgarianEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityVarnaEntitydigital object identifierEntityRuseEntityriver mouthEntityVarnaEntityShumenEntityShumenEntitythree-spined sticklebackEntityAytosEntityBulgarian State RailwaysEntityBulgarian Academy of SciencesEntityProvadiaEntityCategoriesRivers of BulgariaRivers of Shumen ProvinceRivers of Varna ProvinceTributaries of the Black Sea