Senjan (Persian: سنجان)[a] is a neighborhood in the city of Arak in the Central District of Arak County, Markazi province, Iran.

As a city, it served as the administrative center for Sedeh Rural District[4] until its capital was transferred to the village of Zamen Jan.[5] At the time of the 2006 National Census, Senjan's population was 10,592 in 2,897 households, when it was a city in the Central District.

[6] The following census in 2011 counted 12,249 people in 3,730 households.

[2] In 2013, Senjan and the city of Karahrud were merged with the city of Arak.

This Arak County location article is a stub.