Biomes are regions in Minecraft that have different terrain generations, block composition, climate, mob spawns, etc. When you first spawn in a new world, it will be in an Overworld biome.

The jungle is one area filled with towering trees, patches of bamboo, and abundant greenery. This Minecraft biome is ideal for builders who want to incorporate natural elements into their designs.

Yesterday, Minecraft tweeted a picture of a customised map which features a bunch of biomes like a jungle, swamp, forest, ...

Minecraft's diverse biomes contribute new creatures, materials, and items for creative gameplay. Recent updates in 2023 introduced Cherry Grove and Pale Garden biomes with unique features.