Belgravia

Not but that Edith was very thoroughly and properly in love; still she would certainly have preferred a good house in Belgravia, to all the picturesqueness of the life which Captain Lennox described at Corfu.

What more exciting than a ruffian (with many admirable virtues) in St. Giles's, visited constantly by a young lady from Belgravia? What more stirring than the contrasts of society?

[…] Browning seemed rather in place, as a middle-aged gentlemanly English Pippa Passes; while afterwards, in the light of Belgravia dinner-tables, he never made part of his background except by effacement.

Tuppence's hostel was situated in what was charitably called Southern Belgravia.