You need to correlate the locations with the hints that you receive in the quest text during the cutscene, which you can look back at in your quest journal.

Gridania

Hint NPC
Chocobos Frageorloix (Bentbranch Meadows, X21-Y21 @ Central Shroud, sitting on a log next to Aetheryte Crystal)
Central Shroud Frageorloix (Bentbranch Meadows, X21-Y21 @ Central Shroud, sitting on a log next to Aetheryte Crystal)

Ul'dah

Hint NPC
Copper Shashagun (Horizon, X23-Y17 @ Western Thanalan)
Gates Shashagun (Horizon, X23-Y17 @ Western Thanalan)
King Shashagun (Horizon, X23-Y17 @ Western Thanalan)
Mine Wowotazi (Black Brush Station, X21-Y18 @ Central Thanalan)
Saloon Wowotazi (Black Brush Station, X21-Y18 @ Central Thanalan)
the Sunway Wowotazi (Black Brush Station, X21-Y18 @ Central Thanalan)

Limsa Lominsa

Hint NPC
Fruit 'Berndan' (Summerford Farms, X25-Y16 @ Middle La Noscea)
Settlement 'Berndan' (Summerford Farms, X25-Y16 @ Middle La Noscea)
Plantation 'Berndan' (Summerford Farms, X25-Y16 @ Middle La Noscea)
Pirates 'Berndan' (Summerford Farms, X25-Y16 @ Middle La Noscea)
Lockup 'Thrydwulf' (Aleport, X27-Y26 @ Western La Noscea)
Booze 'Thrydwulf' (Aleport, X27-Y26 @ Western La Noscea)
the Sahagin 'Thrydwulf' (Aleport, X27-Y26 @ Western La Noscea)
Tidegate 'Thrydwulf' (Aleport, X27-Y26 @ Western La Noscea)
Construction 'Phillippe' (Moraby Drydocks, X25-Y35 @ Lower La Noscea)
Lighthouse 'Phillippe' (Moraby Drydocks, X25-Y35 @ Lower La Noscea)
Salt 'Phillippe' (Moraby Drydocks, X25-Y35 @ Lower La Noscea)
Ships 'Phillippe' (Moraby Drydocks, X25-Y35 @ Lower La Noscea)