siida

thumb|310px|Reindeer-herding communities/Sámi settlements of 16th century Sápmi

A '''' is an organisation of humans traditionally present in Sámi societies consisting of several families of reindeer herders whose reindeer graze together. s traditionally encompassed more resources than reindeer, but after changes in Sámi societies over the course of the 1600s, only reindeer herders still practiced this system. It is termed a sameby'' ('Sámi village') in Swedish law, ('reindeer pasture district') in Norwegian law, and ('reindeer herding district') in Finnish law. The pastoralist organisation differs slightly between countries, except in Russia, where kolkhoz replaced these earlier organisations.