Mandurriao () is one of the seven districts of Iloilo City, in the province of Iloilo, on the island of Panay, in the Western Visayas region, in the Philippines. It is the second-largest district by land area as well as the third-most populous district, with 62,240 people in the 2020 census. Mandurriao is the site of the developing Iloilo midtown area, where major city developments have been concentrated over the last two decades. It is projected to be the next commercial and financial hub of Iloilo City. Mandurriao is one of the major commercial areas in Iloilo City, the others being Molo, Jaro, and the City Proper. Aside from being known for many commercials, condominiums, and business process outsourcing (BPO) offices, Mandurriao is also home to many nightlife locations in the city. Smallville Business Complex, along with Riverside Boardwalk, Festive Walk Parade, and City Time Square, are one of the bustling commercial and leisure areas in the district, featuring upscale restaurants, bars, nightclubs, and hotels. Accordingly, the district is sometimes locally referred to as "The District That Never Sleeps". The first phase of the Iloilo River Esplanade is located in the district, which opened in 2012. Etymology The name Mandurriao was derived from the names of two crocodiles fighting named Mandu and Riao during the exploration of the Spaniards in Iloilo. The names of the crocodiles were originally from two now-defunct lakes also named Mandu and Riao, where the two crocodiles' habitats are, respectively. It later formed in the minds of the people that the place was called Mandurriao. Eventually, the letter "r" in Mandu-Riao was replaced with "rr". For the Spaniards, having an "rr" in a word brought further beauty and character. History Mandurriao was founded in 1726. It was its own municipality before being incorporated into Iloilo City on July 16, 1937, along with the former towns of Arevalo, La Paz, and Molo by virtue of Act No. 719 of 1903. Mandurriao was a residential and agricultural district before it was turned into a business district. It was once known for its fishponds and salt beds, which have now been transformed into an urban development area and have become the city's new commercial district. Mandurriao Airport period (1937–2007) Mandurriao Airport was built in 1937 and has served as the gateway to Iloilo. The airport was also used as a World War II airfield. In the 1990s, the Philippine