It is a place name called <Urbervilles> it is d'urbervilles because it would mean <Of Urbervilles- De Urbervilles> but in french when the word >De< (of) is immediately followed by another word starting with a vowel, it is shortened to d' and joined with the next word.

My all time favorite book!

I think Hardy is an excellent writer！^ ^This book is his masterpiece, it is wonderful!

Thank you very much！！！！！You help me so much！^ ^