Hello! I am from Russia, because sorry my bad english)
I from Rostov-na-Donu city that located at south of my country.
Of course our city is not good marked at Google Maps, so i can't use it on my iphone 2g.
i heard that any find method to download in this application map from other source, like maps.yandex.ru/rostov (yandex.ru is analog google.com in Russia).
if anyone help me, i was very glad:)