Here are the maps with all locations of lootables inĀ Battle of Heroes 3.
Riot map lootable locations
Circles are chests or other type of lootable structures
H is citizen homes
P is power up shrines
S is shops
Q is quests
B is the bazaar which can give alot of food but usually spawns a wave.
T is the tavern for hiring a hero follower
CM is crystal mines
GM is gold mines
F is farms
W is wells for healing
Land border lootable locations
Interfluve lootable locations