UnScramble this Word: t v e e r t d e?

Questions

What name meaning mid winter settlement did the Romans give to Paris?

on which island is Tokyo?

What is the meaning of the word Dublin, the Norse name for the city?

In Thomas Hardy's Jude the Obscure which city did he call Christminster?

The centre of which English city has large outdoor sculptures The River,Youth and The Guardians by Dhruva Mistry?