Save Image inside Directory (Folder) using C# in ASP.Net

Dear Sir,

how to save image inside folder

I want to save image like this safety-app/upload/

fileuploadimages.SaveAs(Server.MapPath("~safety-app/upload/" + filename));

 folder but image saved on mention type.

fileuploadimages.SaveAs(Server.MapPath("~/upload/" + filename));

how to do this