a district of Persia, situated on the borders of Gilan, north-west of Kazvin. It is divided into upper and lower Tarom; the former, on the right bank of the Kizil Uzain (Sefid Rud) river, is a crown domain; the latter, on the left bank, forms part of the province of Kazvin. It produces much cotton and fruit, and derives a considerable revenue from its alum mines at Zajkanin. Most of the alum is exported to Russia. It also has a few olive groves. The inhabitants are. Turks.