Install the application on your computer.On your computer, you’ll see a folder called “Google Drive.”Drag files or folders into that folder. They will upload to Drive and you will see them on drive.google.com.

Is it possible to upload a folder?

No you can’t, except if its zipped, or you can use flash, silverlight or applet for uploading more than one file in the same time.

Can I upload a folder to a website?

Go to Site Tools > Site > File Manager. Navigate to the folder in which you want to upload in the folder/file tree on the left. Click the File Upload or the Folder Upload icon in the upper toolbar and choose the upload item from your computer.