Sud-Est (French) or Sidès is one of the ten departments of Haiti located in southern Haiti. It has an area of 2,034.10 km2 and a population of 632,601 (2015). Its capital is Jacmel.

Jacmel is a commune in southern Haiti founded by the Spanish in 1504 and repopulated by the French in 1698. It is the capital of the department of Sud-Est, 24 miles (39 km) southwest of Port-au-Prince across the Tiburon Peninsula, and has an estimated population of 40,000, while the commune of Jacmel had a population of 137,966 at the 2003 Census. The town's name is derived from its indigenous Taíno name of Yaquimel. In 1925, Jacmel was dubbed as the "City of Light," becoming the first in the Caribbean to have electricity.