What county is Haringey in? Haringey is in the historic county of Middlesex, but administratively, it is part of Greater London — not a county in its own right. Here’s the breakdown: 🏴 Country: England 🏙️ Region: Greater London 🏢 Administrative area: London Borough of Haringey 🕰️ Historic county: Middlesex When Greater London was created in 1965, Middlesex was abolished as an administrative county, and its areas (including Haringey) became part of Greater London. So, if you’re filling out a form: For county, you’d usually write Greater London, not Middlesex. Manage Cookie Preferences