This is the 7354th most frequent Spanish word.
hamburgo
Hamburgo: Hamburg, a city in Germany.
In this sentence, 'Hamburgo' is used as a proper noun referring to the city of Hamburg in Germany.
Visité Hamburgo el verano pasado.
I visited Hamburg last summer.
Here, 'Hamburgo' refers to the historic aspects and information relating to the city as described in the book.
Compré un libro sobre la historia de Hamburgo.
I bought a book about the history of Hamburg.
In this context, 'Hamburgo' is used to imply the origin of the products, highlighting the city's association with quality items.