Visa

A commun policy in connection with the visas has been applied since the 1st of January 2007, according to the conditions of the adhesion of the country to the European Union. Many of the foreign citizens arriving in Bulgaria do not need a visa, but a valid international passport.  
Visas policy of Republic of Bulgaria applied for foreign citizens: http://www.mfa.bg/content/2010/12/15/visarejim151210en.pdf