Pueblo Nuevo is a municipality in the department of Suchitepéquez in the south-west region of the Republic of Guatemala. Pueblo Nuevo is loc…Pueblo Nuevo is a municipality in the department of Suchitepéquez in the south-west region of the Republic of Guatemala. Pueblo Nuevo is located in the department of Suchitepéquez at a distance of 14 km from the departmental capital Mazatenango.