 Onil is located next to the mountain called Sierra de Onil in the Sierra de Mariola, 36 km from Alicante city.The economy of Onil is based on the industries of toy, construction and farming (almonds and olives).The most important monuments in Onil are the Palace-Fortress from the 16th century, which is the headquarters of the town council ; the Catholic church of "Santiago Apóstol" (from the 17th-18th century) and the Hermitages of "San Buenaventura" (from the 17th century) and "Santa Ana".