Bayawan City is a 3rd class component city in the 3rd Congressional District of the province of Negros Oriental, Philippines. According to the 2000 census, it has a population of 101,391 people (with an average annual growth rate of 2.59%) in 19,967 households.
Bayawan City has two distinct climate seasons: the dry season, well pronounced in the months of January to May; and the wet season, in the months of June to December. Typhoons intermittently occur between May to December.
Bayawan became a chartered city in December of 2000.
Bayawan is located around 101 kilometers from the provincial capital Dumaguete City and near the provincial border with Negros Occidental. It is a coastal city with a land area of 699 km², the largest in the province. Mabinay bounds it to the north, Tanjay City and Bais City to the east, Sta. Catalina to the southeast and Basay to the west and it also shares a boundary with Kabankalan City of Negros Occidental on the northwest.
Bayawan City has a land area of 699.08 km², the largest in the province. This accounts for 13% of the province's land area. Mabinay bounds it to the north, Santa Catalina to the east, Tanjay City to the southeast, Basay to the west, and it also shares a boundary with Kabankalan City of Negros Occidental on the northwest. The coastline is 15 km west to east, with 7 coastal barangays.