"area" - key terms from Wikipedia

area
area	code
area	codes
area	network
area	school district
bay area
bay area	rapid transit
boarding area
brodmann area
census metropolitan area
chicago area
chicago metropolitan area
combined statistical area
community area
conservation area
dover area	school district
downtown area
european economic area
free trade area
greater toronto area
historic area
joint security area
land area
local area	network
los angeles area
metro area
metropolitan area
metropolitan statistical area
micropolitan area
new york metropolitan area
penalty area
personal area	network
phoenix metropolitan area
postcode area
protected area
residential area
ruhr area
san francisco bay area
schengen area
ski area
statistical area
storage area	network
surface area
tampa bay area
total area
unincorporated area
urban area
urbanized area
washington metropolitan area
wide area	network