Possible Clues:

• Capital at the foot of Vitosha Mountain
• 'Lost in Translation' director Coppola
• Actress Vergara
• Bulgaria's most populous city
• In consequence, only part-fiasco? Capital
• Capital at the foot of Mount Vitosha
• "Somewhere" director Coppola
• Capital one invested in a comfortable asset
• 'Somewhere' director Coppola
• "America's Got Talent" judge Vergara