Simplify the following text for a Grade 8 native English-speaking person.
Original: Thus the names of a number of places in the northwestern part of Warwickshire end with the phrase '' - in-Arden '' , such as Henley-in-Arden , Hampton-in-Arden and Tanworth-in-Arden .
Simplified: For this reason , the names of a number of places in the northwestern part of Warwickshire end with the phrase '' - in-Arden '' .