Sirajdikhan (Bengali: সিরাজদিখান) is an upazila of Munshiganj District[4] in the Division of Dhaka, Bangladesh.

A large quantity of vegetables for the capital Dhaka is supplied by this upazila.

[6] According to the 2011 Census of Bangladesh, Serajdikhan Upazila had 34,760 households and a population of 288,107.

Serajdikhan had a literacy rate (age 7 and over) of 64.90%, compared to the national average of 51.8%, and a sex ratio of 1007 females per 1000 males.

[10] Sirajdikhan Upazila is divided into 14 union parishads: Bairagadi, Baluchar, Basail, Chitracoat, Ichhapura, Joyinshar, Keyain, Kola, Latabdi, Madhypara, Malkhanagar, Rajanagar, Rasunia, and Sekhornagar.