Basic Information from Blizzard regarding Gnomes:
The eccentric, often-brilliant Gnomes are one of the most peculiar races of the world. With their obsession for developing radical new technologies and constructing marvels of mind-bending engineering, it's a wonder that any Gnomes have survived to proliferate.
Thriving within the wondrous techno-city of Gnomeregan, the Gnomes shared the resources of the forested Dun Morogh Peaks with their Dwarven cousins. Though the dwarves of Ironforge also have a propensity for technology and engineering - it is the gnomes who provide the critical, visionary designs for most of the Dwarves' weapons and steam vehicles.
The Gnomes served the Alliance well during the Second War, but strangely, they refused to send any personnel to aid their allies during the Burning Legion's recent invasion. Though their designs helped turn the tide against the Legion, the Dwarves and Humans were shocked by the Gnomes' decision to withhold their courageous troops and pilots.
When the war ended, the Alliance discovered the reason for the Gnomes' sudden withdrawal. Apparently, an ancient, barbaric menace had risen from the bowels of the earth and invaded Gnomeregan. Knowing that their allies' priority was defeating the Burning Legion, the Gnomes decided to make their stand alone. Though they fought valiantly to save their beloved city, Gnomeregan was irrevocably lost.
Nearly half of the Gnomish race was wiped out during the fall of Gnomeregan. The ragged Gnomes that survived fled to the safety of the Dwarves' stronghold of Ironforge. Committed once again to the Alliance's cause, the Gnomes spend their time devising strategies and weapons that will help them retake their ravaged city and build a brighter future for their people.
Start Location: Anvil Marr, Dun Morogh
Home City: Ironforge
Available Classes: Warrior, Rogue, Mage, Warlock
The TenTonHammer take on Gnomes
There’s no place like Gnome… there’s no place like gnome… Gnomes occupy a strange portion of the racial mix of WoW. With their actual home city occupied at this point, we see gnomes as a wandering race that can be found in almost any location as you go adventuring.
Gnomes continue to produce goods and services for the Alliance’s continued wars and their most recent innovation; the Deeprun Tram has assisted greatly in getting players from Stormwind to Irongforge in only a faction of the time it would normally take.