Chalchuapa is a town and a municipality located in the Santa Ana department of El Salvador
. The city of Chalchuapa is in a wide valley at 650 meters above sea level, and watered by the Pampe River. It is settled 15 kilometers west from Santa Ana city, in the valley of, Cuscachapa.
The 'El Trapiche' pool is in the countryside of the city, filled with fresh and transparent waters; and the Mayan structure of Casa Blanca, which exhibits the immortal rock over where General Justo Rufino Barrios from Guatemala
was fatally wounded and murdered in the bloody battle of April 2, 1885. It also possesses an old-fashioned church of pure colonial style. It is a beautiful architectonic jewel consecrated to the patron of the city of Santiago Apostol whose lyric representation crowns the dome of the Catholic Church on a horseback.