The IRE|BS International Real Estate Business School, part of the University of Regensburg, Germany,­contains both the IRE|BS Department of Real Estate – with ten chairs and professorships in law, ­economics and business administration – and the IRE|BS Real Estate Academy, which offers executive education in Frankfurt, Berlin, Hamburg, Munich and in Düsseldorf. With its broad range of real estate educational ­programs, IRE|BS is one of the largest and most influential institutes in the real estate sector.