Plains Biome
From ATLauncher Wiki
The Plains biome is from Vanilla Minecraft and is found in most modpacks, it is known for being a good place to build and farm. A Plains biome is a flat, grassy biome with few to no trees, it is one of the 2 biomes in Vanilla Minecraft that you can find Villages and the homes in the villages are made of Wood and Cobblestone.
Some biomes that are like the Plains biome are the Savannah Biome, Prairie Biome, and the Plain Hills Biome, which has tiny hills.
The Plains biome also tends to be large, it is a good source of Dirt and Grass.