One month after Bulgaria officially joined the eurozone, the euro is now the sole legal tender in the country, replacing the Bulgarian lev. ECB President Christine Lagarde marked the milestone on social media, noting that Bulgaria ’s entry means 358 million people now share the single currency and a common economic future. Her remarks follow a series of statements in late 2025 and early 2026 highlighting Bulgaria ’s successful integration into the euro system. As of February 1, the lev is