GeoPlaces is the most popular city directory theme for WordPress available today. It provides all the tools necessary to run a modern directory website. Full places and events support, built-in monetizaton and Google Maps support are just some of the features available in this advanced directory theme.
View the demo and purchase this theme at Templatic
Templatic is one of the excellent theme providers we highlight here at RWPT. They make a number of quality themes. One thing that makes them unique is the way they specialize. They do have some generic templates but they also make templates for specific needs, which means they end up being more useful for their intended audience.