SLTU-2014 will be held in the city center (Vasilievsky Island) in one of the buildings of St. Petersburg State University of Information Technologies, Mechanics and Optics (University ITMO). The venue address is: St. Petersburg, Birzhevaya Liniya 4 (6)
It is a historic building (former palace) with modern conferencing facilities.
It has the equipped conference hall for 80 persons and the atrium with small botanical garden under the glass roof for coffee-breaks: http://faculty.ifmo.ru/ntr/nii/index.php/en/specific-features/building-and-infrastructure
The workshop venue is located just in 10 min walking from Vasileostrovskaya metro station and 10 min (via Dvortsoviy Bridge) from the Hermitage and main Dvortsovaya Square. A bus stop is also nearby.