Callao Plaza in La Punta, Callao. Image © Govert-Jan Mennen Callao is the port of Lima. Although it is a seperate city with 638,000 inhabitants, it is generally considered to be part of Greater Lima.  La Punta, Callao. Image © Govert-Jan Mennen Callao. Image © Govert-Jan Mennen Callao. Image © Govert-Jan Mennen