Piura is a city in northwestern Peru located north of the Sechura Desert on the Piura River. It is the capital of the Piura Region and the Piura Pro…Piura is a city in northwestern Peru located north of the Sechura Desert on the Piura River. It is the capital of the Piura Region and the Piura Province. Its population was 484,475 as of 2017 and is the 7th most populous city in Peru. The city is located in the central eastern part of the Piura Region, 981 kilometers from the country's capital, Lima and is near to the border with Ecuador.