Interwiki: cite web » title =Highly-urbanized Cities | url=http://www.cityblogs.nfo.ph/highly-urbanized-cities/ | accessdate = 2010-06-16 Interwiki: Dead link » date=September 2010|bot=H3llBot It is the capital of the province of Negros Occidental . Having a total of 511,820 inhabitants according to the 2010 census, it is the most populous city in the Western Visayas