Euro banknotes in August 2018, there were about 21.737 billion banknotes in circulation around the Eurozone, with a total value of about €1.193 trillion. On 8 November 2012, the European Central Bank announced that the first series of notes would be replaced by the Europa series, starting with the 5 euro note on 2 May 2013. Estimates suggest that the average life of a euro banknote is about three years before it is replaced due to wear, but individual lifespans vary depending on denomination, from less than a year for €5 banknote to over 30 years for €500 banknote. High denomination banknotes
Bulgaria and the euro banknotes. The second series of notes (beginning with the €5 note issued from 2013) includes the term "ЕВРО" and the abbreviation "ЕЦБ" (short for "Европейска централна банка", the Bulgarian name of the European Central Bank). The first series had only the standard Latin alphabet "EURO" and the Greek "ΕΥΡΩ". The euro coins only have the Latin "EURO" on their common side. Greek coins include the alternative Greek spelling on the national (obverse) side. Bulgarian coins, therefore, may follow suit, having "EURO" on one side and "ЕВРО" on the other. The plural of евро in Bulgarian varies in spoken language –