so, the lowest prices are 80 euros 'till 160 euros?
Lol.. omg, In my neighbour in Athens, downtown!!!, is 40 euro for 12 workouts per month..
350 is for whole month - (unlimited) u can workout whatever u want, or its only for 12 workouts?

what is the prices of supplements? For example, protein?

Here, Optimum nutrition protein (milk, chokolate, banana), 2 kg is about 40-50 euro :)