AURICH, a town of Prussia, in the province of Hanover, situated on the Trecktief canal. It is regularly built ; possesses a castle, which was former 1 y the residence of the prince of East Friesland, a lyceum, and four libraries ; and carries on the manufacture of leather, paper, pottery, and tobacco. The famous meeting-place of the East Fries- landers, Upstaalsboom, is in the neighbourhood. Population, 4264.