Retalhuleu is a department located the south-west of Guatemala, extending from the mountains down to the Pacific Ocean coast. It has an area of 1856 km². In 2002 the Department of Retalhuleu was 241,411 people. The capital is the city of Retalhuleu.

The largest Native American group in the state is Quiché Maya people. The department contains a number of Pre-Columbian ruins, including Takalik Abaj and San Juan Noj.

Municipalities

The Department is divided into nine municipalities:

1. Champerico
2. El Asintal
3. Nuevo San Carlos
4. Retalhuleu
5. San Andrés Villa Seca
6. San Felipe
7. San Martín Zapotitlán
8. San Sebastián
9. Santa Cruz Muluá