Quillota is a ceety locatit in the Aconcagua River valley o central Chile's Valparaíso Region. It is the caipital an lairgest ceety o the Quillota Province whaur mony inhabitants live in the surroondin ferm auries o San Isidro, La Palma, Pocochay, an San Pedro. It is a important agricultural centre, mainly acause the plantations o avocado an cherimoya (custard apple) trees.