Stretching west from Skeppsbron to Österlånggatan, it forms a parallel street to Johannesgränd and Tullgränd.
[1] The area was being used as a berth by the 13th century when the waterfront was located much further east than today, and a medieval harbour, known as Koggahamnen ("The Cog Harbour"), and a quay, Koggabron ("The Cog Bridge"), was also found here as excavations have shown.
During the 15th and 16th centuries, a section of the city wall along with two of its towers were found just south of the alley.
[2] The National Property Board Project Unit is located at number 7.
[3] Three rooms and a kitchen, 77 m2, in the alley was as of 2007[update] offered for close to SEK 4 million[4] (~400.000 Euro).