Amsterdam-Zuid (Amsterdam South) is a borough (stadsdeel) of Amsterdam, Netherlands. The borough was formed in 2010 as a merger of the former boroughs Oud-Zuid and Zuideramstel. The borough has almost 138,000 inhabitants (2013). With 8,500 homes per square kilometer, it is one of the most densely populated boroughs of Amsterdam. It has the highest income per household of all boroughs in Amsterdam.