Cadastry Agency	http://cadastre.bg/
Department of "Geodesy, Map-making and Geoinformation System"	http://dgk.mrrb.government.bg/
Ministry of the Regional Development and Public Works	http://www.mrrb.government.bg /
Ministry of agriculture and woods	http://www.mzgar.government.bg/
Department of National Building Control	http://www.dnsk.mrrb.government.bg/
University of Building, Architecture and Geodesy	http://www.uacg.bg/
Official Pages of the Bulgarian institutions	http://portal.government.bg/