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What are areas in ASP.NET MVC?

ASP.NET MVC Routing Basic 1–2 Yrs2–3 Yrs Conceptual 1 min read

Quick Answer

An area is a way to partition a large MVC app into functional modules, each with its own Controllers, Views and Models folders — e.g. an Admin area separate from the public site. Controllers are marked [Area("Admin")] and URLs get an area segment (/Admin/Users/Edit/5).

Areas let me split a big MVC app into modules, each with its own controllers, views and models folder — the classic example is an Admin area kept separate from the public-facing site. The controller gets an [Area("Admin")] attribute, the routing adds an area segment so URLs look like /Admin/Users/Edit/5, and links use asp-area to target or escape an area. It's an organisational tool — for genuinely independent modules I might reach for separate projects instead.

  • Folder structure: /Areas/Admin/Controllers, /Areas/Admin/Views.
  • Register the area route: app.MapAreaControllerRoute(...) or the default {area:exists}/{controller}/{action}.
  • Link with asp-area: <a asp-area="Admin" asp-controller="Users" asp-action="Index">. Pass asp-area="" to link back to the root.
  • Good for: admin back-ends, tenant modules, keeping a big app organised. For truly independent modules, separate projects or a modular monolith may be better.
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