These films follow a linear progression of Freddy Krueger’s terror in Springwood. A Nightmare on Elm Street (1984)
: A meta-horror film set in the "real world" where the actors and creators of the franchise are targeted by a demonic entity taking Freddy's form. Freddy vs. Jason (2003) order of nightmare on elm street movies
If you want the main, continuous story of Nancy Thompson and the Elm Street kids (ignoring New Nightmare and the reboot): These films follow a linear progression of Freddy