ArenaNet just announced on the official forums the new server links for World vs World for the next 2 months.
Here are the worlds for EU:
Augury Rock (FR), Gunnar’s Hold (EN)
Aurora Glade (EN), Blacktide (EN)
Baruch Bay (SP), Arborstone (FR)
Desolation (EN), Jade Sea (FR)
Drakkar Lake (DE), Dzagonur (DE)
Far Shiverpeaks (EN)
Fissure of Woe (EN), Fort Ranik (FR)
Gandara (EN), Kodash (DE)
Piken Square (EN), Elona Reach (DE)
Ring of Fire (EN), Abaddon’s Mouth (DE)
Riverside (DE), Miller’s Sound (DE)
Ruins of Surmia (EN), Vabbi (EN)
Seafarer’s Rest (EN)
Underworld (EN), Vizunah Square (FR)
Whiteside Ridge (EN)
Here are the worlds for NA:
Anvil Rock, Sanctum of Rall
Blackgate, Northern Shiverpeaks
Darkhaven, Yak’s Bend
Dragonbrand, Eredon Terrace
Ferguson’s Crossing, Sorrow’s Furnace
Fort Aspenwood, Isle of Janthir
Gate of Madness, Henge of Denravi
Jade Quarry, Devona’s Rest
Kaineng, Stormbluff Isle
Maguuma, Borlis Pass
Sea of Sorrows, Crystal Desert
Tarnished Coast, Ehmry Bay
Source: Guild Wars 2 Forums