Upgrading from:

Miscellaneous`CityData`

Much of the functionality in Miscellaneous`CityData` is now available in the built-in Mathematica kernel function CityData.

This gives the longitude and latitude of Montreal:

Version 5.2

Miscellaneous`CityData` was available as an add-on package in previous versions of Mathematica and is now available on the web at library.wolfram.com/infocenter/MathSource/6795.