The Speicherstadt, located in Hamburg, Germany, is indeed the world's largest warehouse district, renowned for its remarkable construction on timber-pile foundations, specifically oak logs. This iconic district, which began construction in 1883 and was completed in 1927, is not only a testament to historical engineering but also a UNESCO World Heritage Site since 2015 for its Neo-Gothic and modernist architecture. It represents a significant piece of Hamburg's maritime heritage and continues to be a vibrant part of the city, attracting visitors and locals alike.