La Paz is a department of El Salvador in the south central area of the country. The capital is Zacatecoluca. La Paz has an area of 1,228 km². The department was created in 1852. There are various caves containing rock writing. The department has a church in Zacatecoluca where the Independence Hero Dr Jose Simeon Cañas y Villacorta was born. H…La Paz is a department of El Salvador in the south central area of the country. The capital is Zacatecoluca. La Paz has an area of 1,228 km². The department was created in 1852. There are various caves containing rock writing. The department has a church in Zacatecoluca where the Independence Hero Dr Jose Simeon Cañas y Villacorta was born. He was known as "The Liberator of the Slaves in Central America". In 1833, Anastasio Aquino, an indigenous person, proclaimed himself as "The Emperor of the Nonualcos".