City Region of Amsterdam

The City Region of Amsterdam (Dutch: "Stadsregio Amsterdam", STA) was an administrative partnership of 15 municipalities in the province of North Holland, comprising and located around Amsterdam. It was called ROA (Amsterdam Regional Body; in Dutch: "Regionaal Orgaan Amsterdam") until 31 October
On 1 January 2017, Stadsregio Amsterdam (City Region of Amsterdam) was replaced by Vervoerregio Amsterdam (Amsterdam regional transport authority).