Maps of Utrecht - but wait! There's more . . .

First, a map of Utrecht, with the location of hotels highlighted.

Next, a close-up map of Utrecht's City Center, with the train station, Janskerkhof (the NH Hotel) and the Academiegebouw (where the wedding and reception will be held) highlighted.

This is a pretty good overview of Utrecht, from Answers.com.

And finally, an introduction to Utrecht put together by a native.