
Bulgaria Hotel was built at № 25 Tsaribrod Street in 1901; it`s owner was Kocho Nikolov.
If you look carefully you can just make out the cathedral in the distance.
There are a superb set of images taken from a very similar position around the early part of the 20th century. (A date 13th August 1905 in pen can be seen clearly written on the following postcard)