This article is from the RSC/UKSC Cricket FAQ, by Ganesh with numerous contributions by others.
Note that ALL the field positions are named relative to the
*stance* of the batsman at the crease and *not* relative to
the ground itself. (Stance determines which is legside and
which offside)
The field is sliced up as shown below relative to
the stance (assuming a RHB here):
Square / |/ * * * | * wider<--------. * \ | * \ * \ cover | * \ * \ p| 3rd* \ * off \ | gully man * | * \ | * | * ||-----\---|| * V *------------------|| \ ||wk---------------* finer * ||------/--|| * * / | * finer * on / mid- | leg * ^ * / wicket | * | * / | * | * / | * / / * * * | * / forward<---|--->backward wider<--' squ|are
 
Continue to: