District 13

Summary
"The result was Panem, a shining capitol ringed by thirteen districts, which brought peace and prosperity to its citizens. Then came the Dark Days, the uprising of the districts against the Capitol. Twelve were defeated, the thirteenth obliterated.

- Katniss Everdeen, on District thirteen's creation and destruction.

District 13's job was to mine graphite. They were destroyed during the rebellion against the Capitol.