Saffron Hill is a street in the modern borough of Camden (London, England), named after a historic estate used for the growing of saffron. In the mid-19th century, Saffron Hill was a poor neighbourhood and is the site of Fagin's Den in Oliver Twist (1837) by Charles Dickens.

In London Labour and the London Poor edition:

Phase 1 

Of Groundsel and Chickweed Sellers. (Volume 1): "On a former occasion (in the Morning Chronicle) I mentioned that I received a letter informing me that a woman, residing in one of the courts about Saffron-hill, was making braces, and receiving only 1s. for four dozen of them."

Phase 2 

Of the Irish “Refuse”-Sellers. (Volume 1): "They are all Roman Catholics, and resort to the street-sale after mass. They are mostly widows, or women who have reached middle-age, unmarried. Some are the wives of street-sellers. Two of their best pitches are on Saffron-hill and in Petticoat-lane."

OF THE WOMEN STREET-SELLERS. (Volume 1): "Others reside in Vine-street (late Mutton-hill), Saffron-hill, Portpool Lane, Baldwin’s-gardens, and the many streets or alleys stretching from Leather-lane to Gray’s-inn-lane, with a few of the better sort in Cromer-street."

Of the Old Clothes Exchange. (Volume 2): "These buyers are generally shopkeepers, residing in the old clothes districts of Marylebone-lane, Holywell-street, Monmouth-street, Union-street (Borough), Saffron-hill (Field-lane), Drury-lane, Shoreditch, the Waterloo-road, and other places of which I shall have to speak hereafter."

The Dancing Dogs. (Volume 3): I have rested in a logement Italien at Saffron-hill, ven I am come here to London. Dare vas plenty of Italiens dare. It was tout plein—quite full of strangers. All come dare—dey come from France, from Germany, from Italie. I have paid two shillings per semaine each veek—only pour le lit, for de bed. Every von make de kitchen for himself." 

Italian with Monkey. (Volume 3): "Dere is not one dozen monkey wot play in Angleterre. I know dere is two monkey at Saffron hill, and one go in London; but he do no harm."