My ipod nano wont turn on and wont charge !!!

it was working very well , when i wake up i tried to turn it on then nothing happened i thought the battery is empty . when i plugged it in with the charger it doesn't turn on and doesn't even start charging . same when i tried to plug it in my computer with the usb cabel .. i can't fix this problem tried every thing what should i do ?! and please if the problem is my bettary . how can i know where i replace my my bettary in egypt ?? thank you ...