Vostan (Armenian: Ոստան) is a village in the Artashat Municipality of the Ararat Province of Armenia.

Based on 2011 census data results in Armenia, the permanent population is 2739, presence at that time consisted of 2621 people.

The population change is presented in the below table, by years: The largest portion of agricultural sector lies on gardening and other cultivations.

Apricots, peaches, plums, berries, tomatoes, cucumber, wheat, cattle crops, and the most importantly wine grapes, etc.

There are limited industrial units in the settlement, of which, a privately owned textile-mill producing home and hotel line textile, such as beddings, kitchen and bath textile products; an experiential tool-making factory, Vostan electrostation OSJC, and in the building process a wine factory, again, privately owned named "Vostan".