Spawn

0, 0

Spawners

Spider: 276 -23 234
2x Poison spider: 231 -24 256
Skeleton: 237 -23 222
Spider: 254 -28 217
Spider: 225 -48 360

Biomes

Lush biome: 34 -1 252
Bamboo Jungle: -1200 -4200
Jungle: -650 -1400
Snowy Plains: -2919 -5932 (but only 50x50 blocks lmao RIP)

Structures

Stronghold: 437 5 -1230

Nether

Fortress: 350 -200

Villagers

Olivio's villager: 6550 65 -8474