Usulután (Spanish pronunciation: [usuluˈtan]; from the Nawat language, meaning "city of the ocelots") is a department of El Salvador in the southeast of the country (Lenca region).

[citation needed] On October 26, 1948, the Alegria district was abolished and a new one called Santiago de Maria was created; it contains the cities of Santiago de Maria, which is the main city, as well as Alegria, Tecapan and California.

For its high migration of its residents to the United States, it is known as Shulton city.

[citation needed] The department is home to Jiquilisco Bay and Puerto El Triunfo.

[citation needed] Bosque Nancuchiname is a forest of the Usulután Department, framing the eastern bank of the Lempa River and the town of El Zamoran on its southeastern border.