The cache is not at the given coordinates, though they are a good starting point, the cache is not far (<100m). Put to together the indications here to find the cache location.
The hiding spot is near a place of significance in the recent history of Bucharest, starting with the fall of communism and events soon thereafter.
Bring your own pen, cache is tiny...
Oh, I forgot to mention : muggles all around.
Please hide it well !!!