Recently I have received a few sad calls from customers who got their bikes stolen. I know how it feels since I had my bike stolen before... I wish the punishment and enforcement of bike theft was harsher in our city.
You can register your bike in case the police finds the stolen bicycle. You will also be able to prove the bike belongs to you in case you find your bike.
Site to register your bike:
Serial number can be found under the bottom bracket.(see picture)