Mårten Trotzigs gränd is recognized as Stockholm's narrowest street, measuring just 90 centimeters at its narrowest point. This alley is located in the Gamla Stan area, which is the historic heart of the city. The street is named after Mårten Trotzig, a 17th-century merchant who is believed to have lived in the vicinity. The alleyway features cobblestones and is flanked by old buildings, contributing to its quaint and historical atmosphere.
Visitors to Mårten Trotzigs gränd often find it intriguing due to its unique width and the charm of the surrounding architecture. The street serves as a reminder of the city's medieval layout and offers a glimpse into Stockholm's past. While it may be narrow, it is a popular spot for tourists seeking to explore the narrow passages and rich history of Gamla Stan. The area is also home to various shops, cafes, and historical landmarks, making it a significant point of interest for those touring the city.