Akademik

a wealthy residential suburb

ˈstockbroker belt 7 [stockbroker belt] noun singular (BrE)

an area outside a large city, where many rich people live

Many of the people who live in the stockbroker belt work in the city as highly paid professional people, e.g. stockbrokers (= people who buy and sell shares in companies on behalf of other people). Most people think of the typical stockbroker belt as ↑Surrey, south-west of London, but the phrase can be used to refer to any expensive area outside a city

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They bought a very large detached house in the heart of the stockbroker belt.