Kosum Phisai is a district and administrative area located in the province of Ubon Ratchathani, situated in northeastern Thailand. It serves as a local municipality within the region's geographic landscape.
The area is primarily characterized by its rural setting and its role as a residential and agricultural hub for the surrounding community. As a standard administrative division of Thailand, it provides local governance and public services to its inhabitants in the Ubon Ratchathani province.