The alley of Marten Trotzig is the narrowest alley in Stockholm. The alley is at its most narrow part only 35.4 inch wide. (90 centimeters). The alley has got its name from the German salesman Marten Traubtzich. Marten moved to Sweden in the year 1581. He bought the houses along the alley that bear his name during the years 1597 to 1599.
Marten was a tradesman in copper and soon became one of Stockholm’s richest inhabitants. He was assaulted and killed during a business trip in 1617.