anon#489 you are correct, Geelong's surrounding area has a bigger population than those smaller towns, Bendigo however also has a broad market and a better venue and Geelong was always considered too far away fro Melbourne teams in the past, luckily these days common sense has ruled.
You may not be aware however that the local Geelong and surrounding area has four Associations, Geelong and Corio Bay in the centre, Bellarine and Surf Coast within 20 minutes and growing fast. So, although it is a growth corridor and a small city, it is nothing like Melbourne and should still be considered country in the scheme of things.
Also, Werribee is a suburb of Melbourne, forget Werribbe in the same conversation as Geelong, it is not significantly relevant.