Subdistrict
A subdistrict is an administrative division which is one level lower than a district.In Bangladesh, subdistricts are known as upazilas. They are the third-level and the second lowest-level subdivisions, below divisions and zilas.In Brunei, subdistricts are known as mukims and they are the second-level country subdivision, immediately below districts. Mukims are subdivided into villages.In Mainland China, a subdistrict literally means "streets and avenues ".In East Timor, a subdistrict is known by the Portuguese word subdistrito.In India, Census India calls the units below the district and they are usually called subdivisions, tehsil, accordingly administrative divisions of india.In Indonesia, subdistrict refers to kelurahan, which has same level with village.In Israel, a subdistrict is known in Hebrew as nefa.In Palestine, a subdistrict is known in Arabic as qadaa.In Thailand, the equivalent of a subdistrict is a tambon.In England and Wales, subdistrict was part of a registration district.Historical usage
was the Turkish term for subdistricts during the Ottoman Empire.