downtown
noun
the central area or commercial center of a town or city
“the heart of Birmingham's downtown”
Synonymsbusiness district
adjective
of or located in the lower part of a town, or in the business center
“downtown Manhattan”
“delinquents roaming the downtown streets”
Oppositesuptown
adverb
toward or in the lower or central part of town
Oppositesuptown
Source: WordNet 3.1, Princeton University