Single location in the municipality Hohentwiel (area Lake Constance ) in the German growing area to bathe, It is probably named after the Russian Tsar's daughter Olga Nikolayevna Romanova (1822-1892), the later wife of the Württemberg King Charles I (1823-1891). The oriented to the southeast to southwest terraced vineyard up to 560 meters above sea level with 15 to 65% slope covers seven hectares of vineyards.
The extinct volcano is the highest vineyard Germany. The soil consists of porphyritic volcanic weathering rock with partly tuff. For example, Spätburgunder is cultivated here. The location is the sole possession of State Wine Estate Meersburg,