Horde Elder Path

--- HORDE: Start at Orgrimmar --- You should have your Hearthstone set to in Shattrath City.

Azshara - Far Southeast corner in Ravencrest Monument, right between the statue's feet: (72,85)
Fly to Everlook

Winterspring - In Everlook: (61,37)

Winterspring - Ruins of Kel'Theril, southwest of Everlook: (55,43)

Fly to Bloodvenom Post

Felwood - North of Jaedenar: (37,53)

Fly to Emerald Sanctuary

Ashenvale, Astranaar - in the gazebo near the hippogryph: (35,49)

Darkshore, Auberdine - East of the Hippogryph Master: (35,48)

Take the northern boat from the docks west of Auberdine to get to Darnassus

Darnassus, in Cenarion Enclave: (33,14)

Teldrassil - Southern end of Dolanaar: (57,60)

Hearth to Shattrath City & take the portal to Orgrimmar

Orgrimmar - Valley of Wisdom: (40,34)

Durotar - Razor Hill: (53,43)

The Barrens - In Ratchet, behind the bank: (62,36)

Fly to Crossroads

The Barrens - Crossroads: (51,30)

Fly to Camp Taurajo

The Barrens - Camp Taurajo: (45,57)]

Mulgore - North end of Bloodhoof Village by bridge: (48,53)

Thunderbluff - Elder Rise: (72,23)

Fly to Shadowprey Village

If you are going to skip the Maraudon instance, then Crossroads - Thunder Bluff - Bloodhoof - Taurajo - Feralas is quicker

Maraudon - Jump into the water by the Princess and Rotgrip. Swim to the east and head up the ramp. Turn right and head up a 2nd ramp. The Elder will be in front of you.

Fly to Camp Mojache

Feralas - Lariss Pavilion, North East of Camp Mojache: (76,37)

Feralas - Dire Maul, in the Arena in the center of the Broken Commons, outside the instance.

Fly to Freewind Post

Thousand Needles - In Freewind Post: (45,50)

Thousand Needles - In Shimmering Flats by Mirage Raceway: (79,77)

Tanaris - In Gadgetzan: (51,27)

Zul'Farrak - In Gahz'rilla's room by the gong.

Tanaris - Outside Uldum, far south Tanaris: (36,80)

Un'goro Crater - By Slithering Scar, above ground: (50,76)

Silithus - Northwest in the Crystal Vale: (23,11)

Silithus - In Cenarion Hold: (50,36)

Hearth to Shattrath City & take the portal to Undercity

Undercity - In the middle of Undercity, above ground: (66,38)

Fly to Light's Hope Chapel

Eastern Plaguelands - At Crown Guard Tower in the south: (35,67)

Eastern Plaguelands - By Light's Hope Chapel: (74,52)

Stratholme - North of the Festival Lane mailbox. Enter through the back door. Make your first left in the instance, go through the gate, turn right, and the Elder will be standing at the back.

Western Plaguelands - Elder Moonstrike is atop the Scholomance tower, outside the instance: (69,74)

Western Plaguelands - In the Northeast, south of the Weeping Cave: (65,47)

Tirisfal Glades - Slightly south of the town of Brill: (61,53)

Fly to The Sepulcher

Silverpine Forest - By The Sepulcher: (45,41)

Fly to Revantusk Village, Hinterlands

Hinterlands - In the middle of Hinterlands by the Creeping Ruin: (49,48)

Fly to Hammerfall, run through Wetlands to Loch Modan or Fly to Kargath, then run up into Loch Modan

Loch Modan - In Thelsamar: (33,46)

Dun Morogh - In Kharanos by the inn: (46,51)

Iron Forge - Mystic Ward

Run all the way to Stormwind or run to Kargath,

Fly to Grom'gol Base Camp and run to Stormwind or take the Deeprun Tram

Stormwind City - Park

Elwynn Forest - In Goldshire, behind blacksmith: (39,63)

Westfall - Atop the Sentinel Hill tower: (56,47)

Stranglethorn Vale - Outside Zul'Gurub zone-in: (53,18)

Fly from Grom'Gol Base Camp to Booty Bay

Stranglethorn Vale - Above the bank in Booty Bay: (26,76)

Fly from Booty Bay to Stonard

Sunken Temple - Swamp of Sorrows - Head left when you zone-in. Go up the set of stairs, kill the first set of dragon, and enter the main room with all the dragons. The Elder is in the northeast corner.

Blasted Lands - Just North of the Dark Portal: (57,54)

Fly from Stonard to Flame Crest

Burning Steppes - Flame Crest (that cave with the Libram guy): (64,24)

Burning Steppes - On top of Dreadmaul Rock north of Morgan's Vigil: (82,46)

Fly from Flame Crest to Thorium Point

Searing Gorge - Southwest corner in Blackchar Cave: (21,79)

Blackrock Spire - After a few pulls into LBRS, the Elder will be across the first wooden bridge.

Blackrock Depths - In the middle of the Ring of Law.