    a central business district (cbd) is the commercial and business centre of a city. in larger cities, it is often synonymous with the city's "financial district". geographically, it often coincides with the "city centre" or "downtown", but the two concepts are separate: many cities have a central business district located away from its commercial or cultural city centre or downtown. both the cbd and the city centre or downtown may also coincide with the central activities district. a city's cbd is usually typified by a concentration of retail and office buildings.central business district (from scalloway.org.uk website) the cbd usually has an urban density higher than the surrounding districts of the city, and is often the location of the tallest buildings in the city. the cbd is often also the "city centre" or "downtown", but this is also often not the case. for example, london's "city centre" is usually regarded as encompassing the historic city of london and the medieval city of westminster, whereas the city of london and the transformed docklands area are regarded as its two cbds. mexico city also has a historic city centre, the colonial-era centro histÃ³rico, along with two cbds: the mid-late 20th century paseo de la reforma - polanco, and the new santa fe. in taipei, taiwan, the area around its main railway station is regarded as the historic city centre while the xinyi planned area located to the east of the said railway station is the current cbd of taipei, being both the financial district and the premier shopping area, and the location of taipei 101, taipei's tallest building. the shape and type of a cbd almost always closely reflect the city's history. cities with maximum building height restrictions often have a separate historic section quite apart from the financial and administrative district. in cities that grew up relatively quickly and more recently, such as those in the western half of north america, a single central
Central_business_districts City Neighborhoods