FOSS4G is "the conference" for Open Source Geospatial Software and in year 2010 will meet in Barcelona, Spain. FOSS4G is heralded as the international "gathering of tribes" of open source geospatial communities, where developers and users show off their latest software and projects. The spatial industry is undergoing rapid innovations and the open source spatial community is one of the forces driving the change. The FOSS4G conference is more than a melting pot of great ideas it is a catalyst and opportunity to unite behind the many successful geospatial products, standards and protocols. Barcelona is one of the most attractive cities in this world, famous for its architecture, mild climate, Mediterranean history, place of Olympic Games in 1992, is full of attraction for any kind of visitor.