This is the bonus cache for the Adventure Lab Cache "Stockholm City".
The original coordinates for this cache is on Kastellet (the cache is NOT there!), which is the #1 location for the ALC. The locations can be visited in any order, however, it's a good idea to end with #5...
You will recieve a 3-letter code for each of the 5 LAB caches completed. Enter them, as one string (AAABBBCCCDDDEEE) into Certitude below and you will get the final coordinates for the cache.
I hope you will enjoy the small tour around Stockholm City!
You can validate your puzzle solution with certitude.