Do I need to create a sitemap for my subfolders?

[Al-Qesas]

I have recently launched a website (http://alqesas.com/) and I am working on building SEO for it. I am currently in the process of learning about sitemaps and I wanted to know if I need to create a sitemap for each of the 3 subfolers that I have made.

http://alqesas.com/StoriesOfTheQuran/
http://alqesas.com/StoriesOfTheProphets/
http://alqesas.com/StoriesOfTheSahabah/

I don't fully understand how sitemaps work and I usually use a website like (http://www.xml-sitemaps.com/) to make the sitemap for me. Is this the best way of doing it? Should I use another service and should I make sitemaps for each subfolder?

[Neil]

Be careful with your terminology. There are both "site map" and "xml sitemap" - there is no relationship between the two but you require the latter ie "xml sitemap".

Probably not with folders but if they were sub-domains you would need xml sitemaps for each.

[Tauseef Azhar]

You should create a single xml file, and submit it to Google and Bing webmaster tool. I recommend to use this online tool for creating xml sitemap: http://www.check-domains.com/sitemap/index.php

Since you are using wordpress, you should use a pluging. It will automatically update XML sitemap.