Caravansary

A dervise travelling through Tartary, being arrived at the town of Balk, went into the king's palace by mistake, as thinking it to be a public inn, or caravansary. […] It happened that the king himself passed through the gallery during this debate, and, smiling at the mistake of the dervise, asked him how he could possibly be so dull as not to distinguish a palace from a caravansary? […] 'Ah, Sir,' said the dervise, a house that changes its inhabitants so often, and receives such a perpetual succession of guests, is not a palace, but a caravansary.'

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But not in sumptuous Caravansary / The adventurer idles there, / Nor satiates wonder with her pomp and wealth; […]

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Casting my fortunes at Mrs. Thompson's, I soon became initiated into the etiquette and usage of that polite caravansary; and I now write of that era of two-pronged forks, and when "saveall" was the choicest dish, and the observances at the table not altogether Chesterfieldian.

Source: wiktionary

Only in Paris, a cosmopolitan caravansary in itself, did Americans and other foreigners fall nicely into the picture and spoil nothing in the charm of the place.

Source: wiktionary