This cache is part of a series inspired by Alexander McCall Smith's 44 Scotland Street series and is named after the first book in the series.
Although Scotland Street is real and can indeed be visited, number 44 itself is unsurprisingly is fictional. In the book, the street was on the edge of the Bohemian part of the Edinburgh New Town, the part where lawyers and accountants were outnumbered – just – by others. “[Scotland Street is] where young Bertie lives. you will have heard him playing the saxophone last night I presume...”