The German foreign minister, Johann Wadephul promised on Monday Romania and Bulgaria support against Russia during a two-day visit in the two countries, says dpa.The two countries are ‘ crucial partners for Europe’s security and stability’ stated Wadephul before leaving.‘South-East Europe is a central strategic point of our continent’ he argued.The threat at the address of EU foreign frontiers and the southern-eastern flank of NATO may be observed in the Black Sea, in the context of the Russia’s war in Ukraine, stated the minister.''This will also decide whether Europe remains capable of action - in terms of security, solidarity and the further development of our union,'' he added. Wadephul was going to meet on Monday in Sofia his Bulgarian counterpart, Gheorg Ghergiev, before flying to Bucharest on Tuesday in order to meet the Romanian foreign minister, Oana Toiu.Regarding the recent violations of Romanian airspace by Russian drones, Wadephul said that attacks on the sovereignty of a NATO partner are unacceptable. ‘We are clearly determined to protect and defend Europe together with Romania’ he said, quoted by dpa.In the meantime, Bulgaria is a model for the countries in Western Balkans, showing how tight are connected security and integration, explained Wadephul.He described the imminent accession of the country to the euro zone as a strong signal for stability for Sofia and Europe as a whole.Bulgaria is going to relace leva with euro in January, becoming the 21st member of the euro zone.The foreign minister in Berlin stated that discussions with Wadephul will aim at economic cooperation, efforts to stimulate European competition and EU extension agenda.Wadephul initially planned to start his journey to Athens to discuss with his Greek counterpart Giorgos Gerapetritis, before going to Sofia.However, the Athens stage was cancelled after Gerapetritis left for Egypte for the ceremony for signing the peace plan for Gaza.