Remains important to point that out, still.
I did a map of the Vienna results after the elections last year. The funny part was the way the Social Democrats and Freedom Party had exactly the same pattern of support.
The tiny parcel of land (pretty much entirely big buildings, actually) is the City of London - that is, the boundaries mediaeval city (slightly tweaked about a decade ago so that the boundary no long runs through the middle of some buildings). It's Tory, of course, though voted for Livingstone in 2004 (and probably 2000) and for the Labour candidate in 1997. Plenty of of other posh areas in the West End though - Kensington, Chelsea, Fulham (though this used to be a working class area), parts of Hammersmith (see Fulham, but even more so). And on the other side of the river, Putney, Battersea (see Hammersmith but even more so), etc.
Ah, but there are different types of rich areas in Manhattan. It's hard to imagine a transported Upper East Side
not voting strongly for the Right in most (all?) European countries. Other parts of the borough, hmm, maybe not.