Najafgarh is a Sub-District (Tehsil/Block/Mandal) in the South West Delhi District of Delhi. As par Census 2011 information the sub-district code of Najafgarh is 00451. There are about 3 sub-districts in South West Delhi and Najafgarh is one of them. Delhi Cantonment, Vasant Vihar etc. are other sub-districts in South West Delhi.There are about 51 villages in Najafgarh sub-district, which you can browse from villages list.