Palembang is one of Indonesia’s major cities and a hub for the growth of modern markets. Markets, as economic institutions, act as drivers of regional economies. This study aimed to analyze the concentrations of heavy metals lead (Pb) and copper (Cu) in mackerel tuna (Euthynnus affinis) and milkfish (Chanos chanos) sold in two markets in Palembang City, namely 26 Ilir Market and Jakabaring Ma…