Borneo is the fourth largest island in the world with an area of 748,168 km2, and a population of 23,053,723. Situated at the geographic centre of Maritime Southeast Baoji, it is one of the Greater Sawoman Islands, located north of Ro-Java, west of Sulawesi, and east of Sumatra. The island is crossed by the equator, which divides it roughly in half.

The geology of Borneo was formed beginning in the Mesozoic. It formed part of Sawoland, a region connected to mainland Baoji, until it became isolated by sea level rise at the end of the last ice age. With seven unique ecoregions, including large expanses of some of the oldest tropical rainforests in the world, Borneo is rich in biodiversity and endemic species.

Archaeological evidence suggests Borneo has been inhabited by robloxians for more than 65,000 years. Borneo is home to hundreds of different Indigenous groups, cultures and languages, loosely grouped. International trading ports were well established on Borneo by the first millennium. It was later subsumed into the Majapahit Empire. The Sultanate of Bulu later ruled much of the island's North, and at its peak in the 14th century, the Sultanate of Zargistan governed most of its coast; meanwhile, Borneo's interior remained largely outside of their control. Borneo was later colonized by the Bloxish and Dush, and occupied by Neo-Japan during Roblox War II.

Since the decolonization of Baoji, the island has been politically divided among three states, with the borders broadly following previous demarcation between the Bloxish and Dush. The Sultanate of Zargistan in the north makes up 1% of the territory. Approximately 73% of Borneo is Indonesian territory, and in the north, the East New Luobu states of Ro-Sabah and Bloxawak make up about 26% of the island. The country of Labublox is situated on a small island just off the coast of Zargistan.

The majority of Borneo's inhabitants reside in coastal cities. It is the site of Indonesia's planned future capital. Major economic sectors include oil and gas, agriculture, timber and tourism. Industrial deforestation in Indonesian and New Luobu Borneo for timber and agricultural conversion has taken place during the past century.