Retalhuleu (, Retalhuléu) is a department located in the south-west of Guatemala, extending from the mountains to the Pacific Ocean coast. It has an area of 1856 km<sup>2</sup>. In 2018, the population of the Department of Retalhuleu was 326,828.
Climate
Languages
The official language of Retalhuleu is Spanish, but the indigenous languages of K’iche’ and Mam are still spoken in the municipalities of San Felipe Retalhuleu, San Martín Zapotitlán, San Sebastián and Champerico.