Cycle Holidays in Bulgaria and South-East Romania. Guided Cycling Tours and Self Guided Bike Tours in the regions of the Lower Danube and the Black Sea coast. Wine and food tasting programs. UNESCO World Heritage Sites. Plateau Cycling Center is placed in the village of Nikolaevka which is a starting point of our tours. The village Nikolaevka is in the region of Varna in Northeastern Bulgaria – Europe. TOURING PERIOD: from April to November