Jammu, city, winter capital ofJammu and Kashmirunion territory, northernIndia. It lies in the southwestern part of Jammu and Kashmir along the Tawi River, south ofSrinagar (the summer capital), and to the north is theSiwalik Range.

Jammu was once the capital of theDogradynasty, and it became part of the domain of the maharajaRanjit Singh in the 19th century. It is now a railroad and manufacturing centre. The city is home to theUniversity of Jammu (1969) and the Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu (1999), as well as several Hindu temples, notably the Raghunath temple complex. The surrounding area produces wheat, rice, corn (maize), and barley. Pop. (2001) city, 369,959; urban agglom., 612,163; (2011) city, 502,197; urban agglom., 657,314.