 Port of Spain measures about 10.4 km2 (c. 4 sq.mi) in area and is located in the northwest section of the island of Trinidad, between the Gulf of Paria, Northern Range and the Caroni Swamp.The Northern Range is the range of tall, biodiverse hills across the northern portion of Trinidad and is considered an extension of the Andes mountains of South America, although that is geologically incorrect.