Sfântu Gheorghe is a city that serves as the seat of Covasna County in Transylvania, Romania. Located in the central part of the country, it li…Sfântu Gheorghe is a city that serves as the seat of Covasna County in Transylvania, Romania. Located in the central part of the country, it lies on the Olt River in a valley between the Baraolt Mountains and the Bodoc Mountains. The town administers two villages, Chilieni and Coșeni.