SharePoint how To delete specific sub sites:

SharePoint how To delete specific sub sites::
1: Go to sub site on your site collection.
2: Click Site Actions menu and select Site Settings.
3: On Site Settings page, under Site Actions section, click Delete this site link.
Repeat if needed on other sub sites.

To delete entire site collection:
1: Go to your site collection.
2: Click Site Actions menu and select Site Settings.
3: On Site Settings page, under Site Actions section, click Delete this site link.