Central City, Colorado Central City, Colorado The City of Central, commonly known as Central City, is the Home Rule Municipality in Gilpin and Clear Creek counties that is the county seat and the most populous municipality of Gilpin County, Colorado, United States. The city population was 663 at the 2010 United States Census. The city is a historic mining settlement founded in 1859 during the Pike's Peak Gold Rush and came to be known as the "Richest Square Mile on Earth". Central City and the adjacent city of Black Hawk form the federally designated Central City/Black Hawk Historic District. The city is now
East London Tech City East London Tech City East London Tech City (also known as Tech City and Silicon Roundabout) is the term for a technology cluster of high-tech companies located in Shoreditch/St Luke's and also in Hackney Wick in London, England. Its nucleus broadly occupies an area between St Luke's and Hackney Road. A cluster of web businesses initially developed around the Old Street Roundabout in 2008. The area had historically been relatively run down compared to the City. The 2008–09 recession further suppressed rents through the closure of numerous firms, making it affordable to technology start-ups, while redundancies from financial services companies,