Albania has been granted an EU candidate status on Tuesday, during the meeting of EU ministers in Luxembourg.
Russian President Vladimir Putin is due to meet Austrian head of state Heinz Fischer in Vienna.
Bulgarian Foreign Minister Kristian Vigenin is on an official two-day visit to Cyprus.
Bulgaria will nominate UNESCO's Director-General Irina Bokova for the post of UN Secretary-General, according to unconfirmed reports.
Bulgaria will open trade missions in 20 countries by end-2014, according to a media statement of the government.
US Senators John McCain, Chris Murphy, and Ron Johnson are visiting Bulgaria Sunday as part of a trip to Eastern Europe which also includes Poland and Romania.
Sir James Mancham, Founding President of the Republic of Seychelles, arrived in Bulgaria to attend a reception celebrating the 10th anniversary of the consular office in Sofia.
German Chancellor Angela Merkel met Russian President Vladimir Putin for the first time since the Ukraine crisis began in late 2013.
Bulgarian Foreign Minister Kristian Vigenin confirmed Wednesday preparations for a visit by his Russian counterpart Sergey Lavrov are under way.
US President Barack Obama told Ukrainian President-elect Petro Poroshenko that Washington was "committed to standing behind the Ukrainian people" in the years to come.
Bulgaria's Embassy in Moscow has issued the 100,000th visa for 2014 to a 2-year-old Russian girl, the Ministry of Economy and Energy informed, Saturday.
Bulgaria's President Rosen Plevneliev congratulated in a phone conversation the newly-elected Ukrainian president Petro Poroshenko, said the President's press office.
Bulgaria's Prime Minister Plamen Oresharski was received by Pope Francis in his official residence in the Vatican on Wednesday.
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