Is it true galapagos islands are located northwest of mount aconcagua?

No, that statement is not accurate. The Galapagos Islands are located in the Pacific Ocean, roughly 600 miles west of Ecuador, while Mount Aconcagua, the highest peak in South America, is located in the Andes mountain range in Argentina. Geographically, the Galapagos Islands are situated to the west of Aconcagua, not northwest.