The capital of Bulgaria is located in the western part of the country at the foot of Mountain Vitosha. It is the 12th largest city by population in the EU. Many of the major universities, institutions, and businesses of Bulgaria are concentrated in Sofia. It is also a center of public and political life, cultural events and media, as well as research institutes.
Sofia offers numerous sightseeing places and tourist attractions: gorgeous rich museums, beautiful medieval churches and art galleries, as well as many night clubs and pubs.
A notable site is the 10th century Boyana Church in the skirts of Vitosha, which is one of the UNESCO World Heritage site.
The IEEE International Conference on Intelligent Systems 2012 will be held in Rodina hotel (http://www.rodina.bg/), Sofia, Bulgaria.