Arcuș is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Arcuș, it became an independent com…Arcuș is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Arcuș, it became an independent commune when it split from Valea Crișului in 2004. Arcuș previously formed part of the Székely Land region of the historical Transylvania province.