The article is a demographic survey on the Kurds in Greater Khorasan including presently three separate provinces within the territorial-administrative system of Iran. The research is mainly based on the field materials; the author had identified most of the Kurdish populated localities in situ, though the data obtained from the local municipalities were also taken into consideration. The paper includes a comprehensive list of all the villages and rural centres of Greater Khorasan with compact and mixed Kurdish population, according to the minor administrative divisions, šahrestāns, i.e. districts. The biggest part of the Khorasani Kurds is sedentary, although there are also some groups of seasonal pastoralists. All the Kurds of Khorasan are Shi'ites. Generally, there are 696 villages with a compact or prevailing Kurdish population registered on the territory of Greater Khorasan. The total number of the Khorasani Kurds can be estimated around one million.