Randi, the foods available are going to vary from country to country. Hill's is one of the few which are international; huge company.

You can learn about cat food, the ingredients, which are good, from this site:
http://www.petfoodratings.net/cattable.html

There is a menu down the left side. The link above is for "Quick Cat Food Reference Table." You will also want to click on "Complete Cat Food Listings" in the menu.

This will help you read the labels.

I believe when we use Google, it searches in our own country. So you can search:
cat food grain free

That should give you some info specific to your country.

As you probably know, cats are obligate carnivores; their food is high in protein. Also, cats cannot digest grains. So a good cat food is grain free.

I hope this helps get you started! Maybe some other EUC members will have more detailed info for you.

BTW, I feed Taste of the Wild, a grain free product.